diff --git a/src/client/index.ts b/src/client/index.ts
index 7fe5743..6bca2a8 100644
--- a/src/client/index.ts
+++ b/src/client/index.ts
@@ -7,6 +7,8 @@ export { CancelablePromise, CancelError } from './core/CancelablePromise';
 export { OpenAPI } from './core/OpenAPI';
 export type { OpenAPIConfig } from './core/OpenAPI';
 
+export type { AddUserRequest } from './models/AddUserRequest';
+export type { AddUserResponse } from './models/AddUserResponse';
 export type { AuthLoginRequest } from './models/AuthLoginRequest';
 export type { AuthLoginResponse } from './models/AuthLoginResponse';
 export type { BarcodeAttributeSchema } from './models/BarcodeAttributeSchema';
@@ -50,6 +52,10 @@ export type { CreateBoxInDealSchema } from './models/CreateBoxInDealSchema';
 export type { CreateBoxInPalletSchema } from './models/CreateBoxInPalletSchema';
 export type { CreateDealBillRequest } from './models/CreateDealBillRequest';
 export type { CreateDealBillResponse } from './models/CreateDealBillResponse';
+export type { CreateDepartmentRequest } from './models/CreateDepartmentRequest';
+export type { CreateDepartmentResponse } from './models/CreateDepartmentResponse';
+export type { CreateDepartmentSectionRequest } from './models/CreateDepartmentSectionRequest';
+export type { CreateDepartmentSectionResponse } from './models/CreateDepartmentSectionResponse';
 export type { CreateMarketplaceRequest } from './models/CreateMarketplaceRequest';
 export type { CreateMarketplaceResponse } from './models/CreateMarketplaceResponse';
 export type { CreatePalletResponse } from './models/CreatePalletResponse';
@@ -139,6 +145,8 @@ export type { DealUpdateServiceQuantityResponse } from './models/DealUpdateServi
 export type { DealUpdateServiceRequest } from './models/DealUpdateServiceRequest';
 export type { DealUpdateServiceResponse } from './models/DealUpdateServiceResponse';
 export type { DeleteBoxResponse } from './models/DeleteBoxResponse';
+export type { DeleteDepartmentResponse } from './models/DeleteDepartmentResponse';
+export type { DeleteDepartmentSectionResponse } from './models/DeleteDepartmentSectionResponse';
 export type { DeleteMarketplaceRequest } from './models/DeleteMarketplaceRequest';
 export type { DeleteMarketplaceResponse } from './models/DeleteMarketplaceResponse';
 export type { DeletePalletResponse } from './models/DeletePalletResponse';
@@ -156,6 +164,12 @@ export type { DeleteShippingWarehouseRequest } from './models/DeleteShippingWare
 export type { DeleteShippingWarehouseResponse } from './models/DeleteShippingWarehouseResponse';
 export type { DeleteTransactionResponse } from './models/DeleteTransactionResponse';
 export type { DeleteTransactionTagResponse } from './models/DeleteTransactionTagResponse';
+export type { DeleteUserRequest } from './models/DeleteUserRequest';
+export type { DeleteUserResponse } from './models/DeleteUserResponse';
+export type { DepartmentBaseSchema } from './models/DepartmentBaseSchema';
+export type { DepartmentSchema } from './models/DepartmentSchema';
+export type { DepartmentSectionBaseSchema } from './models/DepartmentSectionBaseSchema';
+export type { DepartmentSectionSchema } from './models/DepartmentSectionSchema';
 export type { FinishPauseByShiftIdResponse } from './models/FinishPauseByShiftIdResponse';
 export type { FinishPauseByUserIdResponse } from './models/FinishPauseByUserIdResponse';
 export type { FinishShiftByIdResponse } from './models/FinishShiftByIdResponse';
@@ -175,6 +189,7 @@ export type { GetAllTransactionsRequest } from './models/GetAllTransactionsReque
 export type { GetAllTransactionsResponse } from './models/GetAllTransactionsResponse';
 export type { GetAllTransactionTagsResponse } from './models/GetAllTransactionTagsResponse';
 export type { GetAllUsersResponse } from './models/GetAllUsersResponse';
+export type { GetAvailableUsersForDepartmentSectionResponse } from './models/GetAvailableUsersForDepartmentSectionResponse';
 export type { GetBarcodeTemplateByIdRequest } from './models/GetBarcodeTemplateByIdRequest';
 export type { GetBarcodeTemplateByIdResponse } from './models/GetBarcodeTemplateByIdResponse';
 export type { GetClientMarketplacesRequest } from './models/GetClientMarketplacesRequest';
@@ -182,6 +197,7 @@ export type { GetClientMarketplacesResponse } from './models/GetClientMarketplac
 export type { GetDealBillById } from './models/GetDealBillById';
 export type { GetDealProductsBarcodesPdfRequest } from './models/GetDealProductsBarcodesPdfRequest';
 export type { GetDealProductsBarcodesPdfResponse } from './models/GetDealProductsBarcodesPdfResponse';
+export type { GetDepartmentsResponse } from './models/GetDepartmentsResponse';
 export type { GetManagersResponse } from './models/GetManagersResponse';
 export type { GetPaymentRecordsResponse } from './models/GetPaymentRecordsResponse';
 export type { GetProductBarcodePdfRequest } from './models/GetProductBarcodePdfRequest';
@@ -271,6 +287,10 @@ export type { TransactionTagSchema } from './models/TransactionTagSchema';
 export type { UpdateBoxRequest } from './models/UpdateBoxRequest';
 export type { UpdateBoxResponse } from './models/UpdateBoxResponse';
 export type { UpdateBoxSchema } from './models/UpdateBoxSchema';
+export type { UpdateDepartmentRequest } from './models/UpdateDepartmentRequest';
+export type { UpdateDepartmentResponse } from './models/UpdateDepartmentResponse';
+export type { UpdateDepartmentSectionRequest } from './models/UpdateDepartmentSectionRequest';
+export type { UpdateDepartmentSectionResponse } from './models/UpdateDepartmentSectionResponse';
 export type { UpdateMarketplaceRequest } from './models/UpdateMarketplaceRequest';
 export type { UpdateMarketplaceResponse } from './models/UpdateMarketplaceResponse';
 export type { UpdatePayRateRequest } from './models/UpdatePayRateRequest';
@@ -307,6 +327,7 @@ export { BarcodeService } from './services/BarcodeService';
 export { BillingService } from './services/BillingService';
 export { ClientService } from './services/ClientService';
 export { DealService } from './services/DealService';
+export { DepartmentService } from './services/DepartmentService';
 export { MarketplaceService } from './services/MarketplaceService';
 export { PayrollService } from './services/PayrollService';
 export { PositionService } from './services/PositionService';
diff --git a/src/client/models/AddUserRequest.ts b/src/client/models/AddUserRequest.ts
new file mode 100644
index 0000000..8d2e953
--- /dev/null
+++ b/src/client/models/AddUserRequest.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type AddUserRequest = {
+    userId: number;
+    sectionId: number;
+};
+
diff --git a/src/client/models/AddUserResponse.ts b/src/client/models/AddUserResponse.ts
new file mode 100644
index 0000000..5e94df7
--- /dev/null
+++ b/src/client/models/AddUserResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type AddUserResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/models/CreateDepartmentRequest.ts b/src/client/models/CreateDepartmentRequest.ts
new file mode 100644
index 0000000..467221a
--- /dev/null
+++ b/src/client/models/CreateDepartmentRequest.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { DepartmentBaseSchema } from './DepartmentBaseSchema';
+export type CreateDepartmentRequest = {
+    department: DepartmentBaseSchema;
+};
+
diff --git a/src/client/models/CreateDepartmentResponse.ts b/src/client/models/CreateDepartmentResponse.ts
new file mode 100644
index 0000000..648f109
--- /dev/null
+++ b/src/client/models/CreateDepartmentResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type CreateDepartmentResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/models/CreateDepartmentSectionRequest.ts b/src/client/models/CreateDepartmentSectionRequest.ts
new file mode 100644
index 0000000..ceeadc0
--- /dev/null
+++ b/src/client/models/CreateDepartmentSectionRequest.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { DepartmentSectionBaseSchema } from './DepartmentSectionBaseSchema';
+export type CreateDepartmentSectionRequest = {
+    section: DepartmentSectionBaseSchema;
+};
+
diff --git a/src/client/models/CreateDepartmentSectionResponse.ts b/src/client/models/CreateDepartmentSectionResponse.ts
new file mode 100644
index 0000000..0fc6bbc
--- /dev/null
+++ b/src/client/models/CreateDepartmentSectionResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type CreateDepartmentSectionResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/models/DeleteDepartmentResponse.ts b/src/client/models/DeleteDepartmentResponse.ts
new file mode 100644
index 0000000..30d8172
--- /dev/null
+++ b/src/client/models/DeleteDepartmentResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type DeleteDepartmentResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/models/DeleteDepartmentSectionResponse.ts b/src/client/models/DeleteDepartmentSectionResponse.ts
new file mode 100644
index 0000000..94d2427
--- /dev/null
+++ b/src/client/models/DeleteDepartmentSectionResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type DeleteDepartmentSectionResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/models/DeleteUserRequest.ts b/src/client/models/DeleteUserRequest.ts
new file mode 100644
index 0000000..0fce376
--- /dev/null
+++ b/src/client/models/DeleteUserRequest.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type DeleteUserRequest = {
+    userId: number;
+    sectionId: number;
+};
+
diff --git a/src/client/models/DeleteUserResponse.ts b/src/client/models/DeleteUserResponse.ts
new file mode 100644
index 0000000..8f25592
--- /dev/null
+++ b/src/client/models/DeleteUserResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type DeleteUserResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/models/DepartmentBaseSchema.ts b/src/client/models/DepartmentBaseSchema.ts
new file mode 100644
index 0000000..9946b18
--- /dev/null
+++ b/src/client/models/DepartmentBaseSchema.ts
@@ -0,0 +1,8 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type DepartmentBaseSchema = {
+    name: string;
+};
+
diff --git a/src/client/models/DepartmentSchema.ts b/src/client/models/DepartmentSchema.ts
new file mode 100644
index 0000000..37ac76b
--- /dev/null
+++ b/src/client/models/DepartmentSchema.ts
@@ -0,0 +1,11 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { DepartmentSectionSchema } from './DepartmentSectionSchema';
+export type DepartmentSchema = {
+    name: string;
+    id: number;
+    sections?: Array<DepartmentSectionSchema>;
+};
+
diff --git a/src/client/models/DepartmentSectionBaseSchema.ts b/src/client/models/DepartmentSectionBaseSchema.ts
new file mode 100644
index 0000000..13f7ec2
--- /dev/null
+++ b/src/client/models/DepartmentSectionBaseSchema.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type DepartmentSectionBaseSchema = {
+    name: string;
+    departmentId: number;
+};
+
diff --git a/src/client/models/DepartmentSectionSchema.ts b/src/client/models/DepartmentSectionSchema.ts
new file mode 100644
index 0000000..877cc75
--- /dev/null
+++ b/src/client/models/DepartmentSectionSchema.ts
@@ -0,0 +1,12 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { UserSchema } from './UserSchema';
+export type DepartmentSectionSchema = {
+    name: string;
+    departmentId: number;
+    id: number;
+    users?: Array<UserSchema>;
+};
+
diff --git a/src/client/models/GetAvailableUsersForDepartmentSectionResponse.ts b/src/client/models/GetAvailableUsersForDepartmentSectionResponse.ts
new file mode 100644
index 0000000..c39c86a
--- /dev/null
+++ b/src/client/models/GetAvailableUsersForDepartmentSectionResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { UserSchema } from './UserSchema';
+export type GetAvailableUsersForDepartmentSectionResponse = {
+    users: Array<UserSchema>;
+};
+
diff --git a/src/client/models/GetDepartmentsResponse.ts b/src/client/models/GetDepartmentsResponse.ts
new file mode 100644
index 0000000..aaac739
--- /dev/null
+++ b/src/client/models/GetDepartmentsResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { DepartmentSchema } from './DepartmentSchema';
+export type GetDepartmentsResponse = {
+    departments: Array<DepartmentSchema>;
+};
+
diff --git a/src/client/models/UpdateDepartmentRequest.ts b/src/client/models/UpdateDepartmentRequest.ts
new file mode 100644
index 0000000..e9a1a96
--- /dev/null
+++ b/src/client/models/UpdateDepartmentRequest.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { DepartmentSchema } from './DepartmentSchema';
+export type UpdateDepartmentRequest = {
+    department: DepartmentSchema;
+};
+
diff --git a/src/client/models/UpdateDepartmentResponse.ts b/src/client/models/UpdateDepartmentResponse.ts
new file mode 100644
index 0000000..e251c72
--- /dev/null
+++ b/src/client/models/UpdateDepartmentResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type UpdateDepartmentResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/models/UpdateDepartmentSectionRequest.ts b/src/client/models/UpdateDepartmentSectionRequest.ts
new file mode 100644
index 0000000..8963e6a
--- /dev/null
+++ b/src/client/models/UpdateDepartmentSectionRequest.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { DepartmentSectionSchema } from './DepartmentSectionSchema';
+export type UpdateDepartmentSectionRequest = {
+    section: DepartmentSectionSchema;
+};
+
diff --git a/src/client/models/UpdateDepartmentSectionResponse.ts b/src/client/models/UpdateDepartmentSectionResponse.ts
new file mode 100644
index 0000000..25f0c73
--- /dev/null
+++ b/src/client/models/UpdateDepartmentSectionResponse.ts
@@ -0,0 +1,9 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export type UpdateDepartmentSectionResponse = {
+    ok: boolean;
+    message: string;
+};
+
diff --git a/src/client/services/DepartmentService.ts b/src/client/services/DepartmentService.ts
new file mode 100644
index 0000000..952813f
--- /dev/null
+++ b/src/client/services/DepartmentService.ts
@@ -0,0 +1,219 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+import type { AddUserRequest } from '../models/AddUserRequest';
+import type { AddUserResponse } from '../models/AddUserResponse';
+import type { CreateDepartmentRequest } from '../models/CreateDepartmentRequest';
+import type { CreateDepartmentResponse } from '../models/CreateDepartmentResponse';
+import type { CreateDepartmentSectionRequest } from '../models/CreateDepartmentSectionRequest';
+import type { CreateDepartmentSectionResponse } from '../models/CreateDepartmentSectionResponse';
+import type { DeleteDepartmentResponse } from '../models/DeleteDepartmentResponse';
+import type { DeleteDepartmentSectionResponse } from '../models/DeleteDepartmentSectionResponse';
+import type { DeleteUserRequest } from '../models/DeleteUserRequest';
+import type { DeleteUserResponse } from '../models/DeleteUserResponse';
+import type { GetAvailableUsersForDepartmentSectionResponse } from '../models/GetAvailableUsersForDepartmentSectionResponse';
+import type { GetDepartmentsResponse } from '../models/GetDepartmentsResponse';
+import type { UpdateDepartmentRequest } from '../models/UpdateDepartmentRequest';
+import type { UpdateDepartmentResponse } from '../models/UpdateDepartmentResponse';
+import type { UpdateDepartmentSectionRequest } from '../models/UpdateDepartmentSectionRequest';
+import type { UpdateDepartmentSectionResponse } from '../models/UpdateDepartmentSectionResponse';
+import type { CancelablePromise } from '../core/CancelablePromise';
+import { OpenAPI } from '../core/OpenAPI';
+import { request as __request } from '../core/request';
+export class DepartmentService {
+    /**
+     * Get Departments
+     * @returns GetDepartmentsResponse Successful Response
+     * @throws ApiError
+     */
+    public static getDepartments(): CancelablePromise<GetDepartmentsResponse> {
+        return __request(OpenAPI, {
+            method: 'GET',
+            url: '/department/',
+        });
+    }
+    /**
+     * Create Department
+     * @returns CreateDepartmentResponse Successful Response
+     * @throws ApiError
+     */
+    public static createDepartment({
+        requestBody,
+    }: {
+        requestBody: CreateDepartmentRequest,
+    }): CancelablePromise<CreateDepartmentResponse> {
+        return __request(OpenAPI, {
+            method: 'POST',
+            url: '/department/',
+            body: requestBody,
+            mediaType: 'application/json',
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Update Department
+     * @returns UpdateDepartmentResponse Successful Response
+     * @throws ApiError
+     */
+    public static updateDepartment({
+        requestBody,
+    }: {
+        requestBody: UpdateDepartmentRequest,
+    }): CancelablePromise<UpdateDepartmentResponse> {
+        return __request(OpenAPI, {
+            method: 'PATCH',
+            url: '/department/',
+            body: requestBody,
+            mediaType: 'application/json',
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Delete Department
+     * @returns DeleteDepartmentResponse Successful Response
+     * @throws ApiError
+     */
+    public static deleteDepartment({
+        departmentId,
+    }: {
+        departmentId: number,
+    }): CancelablePromise<DeleteDepartmentResponse> {
+        return __request(OpenAPI, {
+            method: 'DELETE',
+            url: '/department/{department_id}',
+            path: {
+                'department_id': departmentId,
+            },
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Create Section
+     * @returns CreateDepartmentSectionResponse Successful Response
+     * @throws ApiError
+     */
+    public static createSection({
+        requestBody,
+    }: {
+        requestBody: CreateDepartmentSectionRequest,
+    }): CancelablePromise<CreateDepartmentSectionResponse> {
+        return __request(OpenAPI, {
+            method: 'POST',
+            url: '/department/section',
+            body: requestBody,
+            mediaType: 'application/json',
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Update Section
+     * @returns UpdateDepartmentSectionResponse Successful Response
+     * @throws ApiError
+     */
+    public static updateSection({
+        requestBody,
+    }: {
+        requestBody: UpdateDepartmentSectionRequest,
+    }): CancelablePromise<UpdateDepartmentSectionResponse> {
+        return __request(OpenAPI, {
+            method: 'PATCH',
+            url: '/department/section',
+            body: requestBody,
+            mediaType: 'application/json',
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Delete Section
+     * @returns DeleteDepartmentSectionResponse Successful Response
+     * @throws ApiError
+     */
+    public static deleteSection({
+        sectionId,
+    }: {
+        sectionId: number,
+    }): CancelablePromise<DeleteDepartmentSectionResponse> {
+        return __request(OpenAPI, {
+            method: 'DELETE',
+            url: '/department/section/{section_id}',
+            path: {
+                'section_id': sectionId,
+            },
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Get Available Users For Department Section
+     * @returns GetAvailableUsersForDepartmentSectionResponse Successful Response
+     * @throws ApiError
+     */
+    public static getAvailableUsersForSection({
+        sectionId,
+    }: {
+        sectionId: number,
+    }): CancelablePromise<GetAvailableUsersForDepartmentSectionResponse> {
+        return __request(OpenAPI, {
+            method: 'GET',
+            url: '/department/users/{section_id}',
+            path: {
+                'section_id': sectionId,
+            },
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Add User
+     * @returns AddUserResponse Successful Response
+     * @throws ApiError
+     */
+    public static addUser({
+        requestBody,
+    }: {
+        requestBody: AddUserRequest,
+    }): CancelablePromise<AddUserResponse> {
+        return __request(OpenAPI, {
+            method: 'POST',
+            url: '/department/users',
+            body: requestBody,
+            mediaType: 'application/json',
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+    /**
+     * Delete User
+     * @returns DeleteUserResponse Successful Response
+     * @throws ApiError
+     */
+    public static deleteUser({
+        requestBody,
+    }: {
+        requestBody: DeleteUserRequest,
+    }): CancelablePromise<DeleteUserResponse> {
+        return __request(OpenAPI, {
+            method: 'POST',
+            url: '/department/users/delete',
+            body: requestBody,
+            mediaType: 'application/json',
+            errors: {
+                422: `Validation Error`,
+            },
+        });
+    }
+}
diff --git a/src/modals/modals.ts b/src/modals/modals.ts
index 01910ad..7995414 100644
--- a/src/modals/modals.ts
+++ b/src/modals/modals.ts
@@ -25,6 +25,9 @@ import ScanningModal from "./ScanningModal/ScanningModal.tsx";
 import TransactionFormModal from "../pages/AdminPage/tabs/Transactions/modals/TransactionFormModal.tsx";
 import TransactionTagsModal from "../pages/AdminPage/tabs/Transactions/modals/TransactionTagsModal.tsx";
 import ShippingProductModal from "../pages/LeadsPage/tabs/ShippingTab/modals/ShippingProductModal.tsx";
+import DepartmentModal from "../pages/AdminPage/tabs/OrganizationalStructureTab/modals/DepartmentModal.tsx";
+import AddUserToDepartmentModal
+    from "../pages/AdminPage/tabs/OrganizationalStructureTab/modals/AddUserToDepartmentModal.tsx";
 
 export const modals = {
     enterDeadline: EnterDeadlineModal,
@@ -54,4 +57,6 @@ export const modals = {
     transactionFormModal: TransactionFormModal,
     transactionTagsModal: TransactionTagsModal,
     shippingProductModal: ShippingProductModal,
+    departmentModal: DepartmentModal,
+    addUserToDepartmentModal: AddUserToDepartmentModal,
 };
diff --git a/src/pages/AdminPage/AdminPage.tsx b/src/pages/AdminPage/AdminPage.tsx
index e0351fb..3a13bfd 100644
--- a/src/pages/AdminPage/AdminPage.tsx
+++ b/src/pages/AdminPage/AdminPage.tsx
@@ -2,14 +2,13 @@ import styles from "./AdminPage.module.css";
 import { Tabs } from "@mantine/core";
 import PageBlock from "../../components/PageBlock/PageBlock.tsx";
 import {
-    IconBriefcase,
+    IconTopologyStar3,
     IconCalendarUser,
     IconCoins,
     IconCurrencyDollar,
     IconQrcode,
     IconUser,
 } from "@tabler/icons-react";
-import RolesAndPositionsTab from "./tabs/RolesAndPositions/RolesAndPositionsTab.tsx";
 import UsersTab from "./tabs/Users/UsersTab.tsx";
 import { motion } from "framer-motion";
 import FinancesTab from "./tabs/Finances/FinancesTab.tsx";
@@ -18,6 +17,7 @@ import { WorkShiftsTab } from "./tabs/WorkShifts/WorkShiftsTab.tsx";
 import { TransactionsTab } from "./tabs/Transactions/TransactionsTab.tsx";
 import { useSelector } from "react-redux";
 import { RootState } from "../../redux/store.ts";
+import OrganizationalStructureTab from "./tabs/OrganizationalStructureTab/OrganizationalStructureTab.tsx";
 
 const AdminPage = () => {
     const userRole = useSelector((state: RootState) => state.auth.role);
@@ -45,8 +45,8 @@ const AdminPage = () => {
                         )}
                         <Tabs.Tab
                             value={"rolesAndPositions"}
-                            leftSection={<IconBriefcase />}>
-                            Должности
+                            leftSection={<IconTopologyStar3 />}>
+                            Организационная структура
                         </Tabs.Tab>
                         {isAdmin && (
                             <Tabs.Tab
@@ -81,7 +81,7 @@ const AdminPage = () => {
                             initial={{ opacity: 0 }}
                             animate={{ opacity: 1 }}
                             transition={{ duration: 0.2 }}>
-                            <RolesAndPositionsTab />
+                            <OrganizationalStructureTab />
                         </motion.div>
                     </Tabs.Panel>
                     <Tabs.Panel value={"finances"}>
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/OrganizationalStructureTab.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/OrganizationalStructureTab.tsx
new file mode 100644
index 0000000..88739d6
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/OrganizationalStructureTab.tsx
@@ -0,0 +1,48 @@
+import { Tabs } from "@mantine/core";
+import { IconBriefcase, IconSitemap } from "@tabler/icons-react";
+import { motion } from "framer-motion";
+import RolesAndPositions from "./components/RolesAndPositions.tsx";
+import Departments from "./components/Departments.tsx";
+
+
+const OrganizationalStructureTab = () => {
+    return (
+        <Tabs
+            keepMounted={false}
+            defaultValue={"departments"}
+            color={"gray.6"}>
+            <Tabs.List
+                justify={"center"}
+                grow>
+                <Tabs.Tab
+                    value={"departments"}
+                    leftSection={<IconSitemap />}>
+                    Департаменты и отделы
+                </Tabs.Tab>
+                <Tabs.Tab
+                    value={"positions"}
+                    leftSection={<IconBriefcase />}>
+                    Должности
+                </Tabs.Tab>
+            </Tabs.List>
+            <Tabs.Panel value={"departments"}>
+                <motion.div
+                    initial={{ opacity: 0 }}
+                    animate={{ opacity: 1 }}
+                    transition={{ duration: 0.2 }}>
+                    <Departments />
+                </motion.div>
+            </Tabs.Panel>
+            <Tabs.Panel value={"positions"}>
+                <motion.div
+                    initial={{ opacity: 0 }}
+                    animate={{ opacity: 1 }}
+                    transition={{ duration: 0.2 }}>
+                    <RolesAndPositions />
+                </motion.div>
+            </Tabs.Panel>
+        </Tabs>
+    );
+};
+
+export default OrganizationalStructureTab;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/DepartmentButtons.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/DepartmentButtons.tsx
new file mode 100644
index 0000000..e0c3aa1
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/DepartmentButtons.tsx
@@ -0,0 +1,35 @@
+import { Button, Group, rem } from "@mantine/core";
+import { IconChevronsDown, IconChevronsUp, IconPlus } from "@tabler/icons-react";
+import { useDepartmentContext } from "../contexts/DepartmentContext.tsx";
+
+
+const DepartmentButtons = () => {
+    const {
+        departmentIds,
+        toggleAllDepartmentIds,
+        onCreateDepartmentClick,
+    } = useDepartmentContext();
+
+
+    return (
+        <Group gap={"md"}>
+            <Button
+                variant={"default"}
+                onClick={toggleAllDepartmentIds}
+            >
+                {departmentIds.length > 0 ? <IconChevronsUp /> : <IconChevronsDown />}
+            </Button>
+            <Button
+                variant={"default"}
+                onClick={() => onCreateDepartmentClick(false)}
+            >
+                <Group gap={rem(10)}>
+                    <IconPlus />
+                    Добавить департамент
+                </Group>
+            </Button>
+        </Group>
+    );
+};
+
+export default DepartmentButtons;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/Departments.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/Departments.tsx
new file mode 100644
index 0000000..1e7a47f
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/Departments.tsx
@@ -0,0 +1,17 @@
+import { Stack } from "@mantine/core";
+import DepartmentsTree from "./DepartmentsTree.tsx";
+import DepartmentButtons from "./DepartmentButtons.tsx";
+import { DepartmentContextProvider } from "../contexts/DepartmentContext.tsx";
+
+const Departments = () => {
+    return (
+        <DepartmentContextProvider>
+            <Stack mt={"md"}>
+                <DepartmentButtons />
+                <DepartmentsTree />
+            </Stack>
+        </DepartmentContextProvider>
+    );
+};
+
+export default Departments;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/DepartmentsTree.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/DepartmentsTree.tsx
new file mode 100644
index 0000000..ba8d2d1
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/DepartmentsTree.tsx
@@ -0,0 +1,139 @@
+import { Accordion, ActionIcon, Center, Flex, Text, Title, Tooltip } from "@mantine/core";
+import { IconEdit, IconPlaylistAdd, IconTrash, IconUserPlus } from "@tabler/icons-react";
+import { DepartmentSchema, DepartmentSectionSchema } from "../../../../../client";
+import { useDepartmentContext } from "../contexts/DepartmentContext.tsx";
+import UsersTable from "./UsersTable.tsx";
+import { ReactNode } from "react";
+
+
+const DepartmentsTree = () => {
+    const {
+        departments,
+        departmentIds,
+        setDepartmentIds,
+        onCreateDepartmentClick,
+        onUpdateDepartmentClick,
+        onDeleteDepartmentClick,
+        onAddUserClick,
+    } = useDepartmentContext();
+
+    const getAction = (label: string, func: () => void, icon: ReactNode) => {
+        return (
+            <Tooltip label={label} key={label}>
+                <ActionIcon
+                    variant={"default"}
+                    onClick={func}
+                >
+                    {icon}
+                </ActionIcon>
+            </Tooltip>
+        );
+    };
+
+    const getActions = (
+        element: DepartmentSectionSchema | DepartmentSchema,
+        isSection: boolean,
+    ) => {
+        const actions = [
+            isSection ? (
+                getAction(
+                    "Добавить пользователя в отдел",
+                    () => onAddUserClick(element as DepartmentSectionSchema),
+                    <IconUserPlus />,
+                )
+            ) : (
+                getAction(
+                    "Добавить отдел",
+                    () => onCreateDepartmentClick(true, { departmentId: element.id, name: "" }),
+                    <IconPlaylistAdd />,
+                )
+            ),
+            getAction(
+                "Редактировать",
+                () => onUpdateDepartmentClick(element, isSection),
+                <IconEdit />,
+            ),
+            getAction(
+                "Удалить",
+                () => onDeleteDepartmentClick(element, isSection),
+                <IconTrash />,
+            ),
+        ];
+
+        return (
+            <Flex gap={"md"} mx={"md"} direction={"row"}>
+                {...actions}
+            </Flex>
+        );
+    };
+
+    const getUsersTable = (section: DepartmentSectionSchema) => {
+        if (!section.users || section.users.length === 0) {
+            return <Text>Сотрудники не добавлены</Text>;
+        }
+        return <UsersTable users={section.users} sectionId={section.id}/>;
+    };
+
+    const getDepartmentSections = (department: DepartmentSchema) => {
+        if (!department.sections || department.sections.length === 0) return;
+
+        const accordionIds: string[] = [];
+        const sortedSections: DepartmentSectionSchema[] = department.sections?.sort((a, b) => a.id - b.id) ?? [];
+        const items = sortedSections.map(section => {
+            const value = `section ${section.id}`;
+            accordionIds.push(value);
+            return (
+                <Accordion.Item key={section.id} value={value}>
+                    <Center>
+                        <Accordion.Control>
+                            <Title order={4}>Отдел - {section.name}</Title>
+                        </Accordion.Control>
+                        {getActions(section, true)}
+                    </Center>
+                    <Accordion.Panel>
+                        {getUsersTable(section)}
+                    </Accordion.Panel>
+                </Accordion.Item>
+            );
+        });
+
+        return (
+            <Accordion
+                multiple={true}
+                defaultValue={accordionIds}
+                bd={"solid 1px gray"}
+            >
+                {items}
+            </Accordion>
+        );
+    };
+
+    const getDepartments = departments.map((department) => {
+        return (
+            <Accordion.Item key={department.id} value={department.id.toString()}>
+                <Center>
+                    <Accordion.Control>
+                        <Title order={4}>Департамент - {department.name}</Title>
+                    </Accordion.Control>
+                    {getActions(department, false)}
+                </Center>
+                <Accordion.Panel>
+                    {getDepartmentSections(department)}
+                </Accordion.Panel>
+            </Accordion.Item>
+        );
+    });
+
+    return (
+        <Accordion
+            multiple={true}
+            value={departmentIds}
+            onChange={value => setDepartmentIds(value)}
+            bd={"solid 1px gray"}
+        >
+            {getDepartments}
+        </Accordion>
+    );
+};
+
+export default DepartmentsTree;
diff --git a/src/pages/AdminPage/tabs/RolesAndPositions/RolesAndPositionsTab.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/RolesAndPositions.tsx
similarity index 71%
rename from src/pages/AdminPage/tabs/RolesAndPositions/RolesAndPositionsTab.tsx
rename to src/pages/AdminPage/tabs/OrganizationalStructureTab/components/RolesAndPositions.tsx
index 5e857eb..4f3d904 100644
--- a/src/pages/AdminPage/tabs/RolesAndPositions/RolesAndPositionsTab.tsx
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/RolesAndPositions.tsx
@@ -1,9 +1,9 @@
-import PositionsTable from "../../components/PositionsTable/PositionsTable.tsx";
-import usePositionsList from "../../hooks/usePositionsList.tsx";
-import { PositionSchema, PositionService } from "../../../../client";
-import { notifications } from "../../../../shared/lib/notifications.ts";
+import PositionsTable from "../../../components/PositionsTable/PositionsTable.tsx";
+import usePositionsList from "../../../hooks/usePositionsList.tsx";
+import { PositionSchema, PositionService } from "../../../../../client";
+import { notifications } from "../../../../../shared/lib/notifications.ts";
 
-const RolesAndPositionsTab = () => {
+const RolesAndPositions = () => {
     const { objects: positions, refetch } = usePositionsList();
     const onCreate = (position: PositionSchema) => {
         PositionService.createPosition({
@@ -36,4 +36,4 @@ const RolesAndPositionsTab = () => {
         />
     );
 };
-export default RolesAndPositionsTab;
+export default RolesAndPositions;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/UserForDepartmentSelect.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/UserForDepartmentSelect.tsx
new file mode 100644
index 0000000..3043708
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/UserForDepartmentSelect.tsx
@@ -0,0 +1,27 @@
+import { FC } from "react";
+import ObjectSelect, { ObjectSelectProps } from "../../../../../components/ObjectSelect/ObjectSelect.tsx";
+import { UserSchema } from "../../../../../client";
+import useAvailableUsersList from "../hooks/useAvailableUsersList.tsx";
+
+type SectionData = {
+    sectionId: number;
+}
+
+type Props = SectionData & Omit<
+    ObjectSelectProps<UserSchema | null>,
+    "data" | "getValueFn" | "getLabelFn"
+>;
+
+const UserForDepartmentSelect: FC<Props> = props => {
+    const { objects: users } = useAvailableUsersList({ sectionId: props.sectionId });
+
+    return (
+        <ObjectSelect
+            data={users}
+            getLabelFn={(user: UserSchema) => `${user.firstName} ${user.secondName}`}
+            getValueFn={(user: UserSchema) => user.id.toString()}
+            {...props}
+        />
+    );
+};
+export default UserForDepartmentSelect;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/UsersTable.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/UsersTable.tsx
new file mode 100644
index 0000000..72b523b
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/components/UsersTable.tsx
@@ -0,0 +1,63 @@
+import { BaseTable } from "../../../../../components/BaseTable/BaseTable.tsx";
+import useUsersTableColumns from "../hooks/useUsersTableColumns.tsx";
+import { DepartmentService, UserSchema } from "../../../../../client";
+import { ActionIcon, Flex, Tooltip } from "@mantine/core";
+import { IconTrash } from "@tabler/icons-react";
+import { MRT_TableOptions } from "mantine-react-table";
+import { notifications } from "../../../../../shared/lib/notifications.ts";
+import { useDepartmentContext } from "../contexts/DepartmentContext.tsx";
+
+
+type Props = {
+    users: UserSchema[];
+    sectionId: number;
+}
+
+const UsersTable = ({ users, sectionId }: Props) => {
+    const columns = useUsersTableColumns();
+    const { fetchDepartments } = useDepartmentContext();
+
+    const onDeleteUserClick = (userId: number) => {
+        DepartmentService.deleteUser({
+            requestBody: {
+                sectionId,
+                userId,
+            }
+        })
+            .then(({ok, message}) => {
+                fetchDepartments();
+                if (ok) return;
+                notifications.error({ message });
+            })
+            .catch(err => console.log(err));
+    }
+
+    return (
+        <BaseTable
+            data={users}
+            columns={columns}
+
+            restProps={
+                {
+                    enableSorting: false,
+                    enableColumnActions: false,
+                    enableRowActions: true,
+                    positionActionsColumn: "last",
+                    renderRowActions: ({ row }) => (
+                        <Flex gap="md">
+                            <Tooltip label="Удалить">
+                                <ActionIcon
+                                    onClick={() => onDeleteUserClick(row.original.id)}
+                                    variant={"default"}>
+                                    <IconTrash />
+                                </ActionIcon>
+                            </Tooltip>
+                        </Flex>
+                    ),
+                } as MRT_TableOptions<UserSchema>
+            }
+        />
+    )
+}
+
+export default UsersTable;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/contexts/DepartmentContext.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/contexts/DepartmentContext.tsx
new file mode 100644
index 0000000..763c721
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/contexts/DepartmentContext.tsx
@@ -0,0 +1,153 @@
+import React, { createContext, FC, useContext, useEffect, useState } from "react";
+import {
+    DepartmentSchema,
+    DepartmentSectionBaseSchema,
+    DepartmentSectionSchema,
+    DepartmentService,
+} from "../../../../../client";
+import { modals } from "@mantine/modals";
+import { Text } from "@mantine/core";
+import useDepartmentCrud from "../hooks/useDepartmentCrud.tsx";
+import useDepartmentSectionCrud from "../hooks/useDepartmentSectionCrud.tsx";
+
+type DepartmentContextState = {
+    departments: DepartmentSchema[],
+    departmentIds: string[],
+    setDepartmentIds: React.Dispatch<React.SetStateAction<string[]>>,
+    fetchDepartments: () => void,
+    onCreateDepartmentClick: (isSection: boolean, element?: DepartmentSectionBaseSchema) => void,
+    onUpdateDepartmentClick: (element: DepartmentSchema | DepartmentSectionSchema, isSection: boolean) => void,
+    onDeleteDepartmentClick: (element: DepartmentSchema, isSection: boolean) => void,
+    onAddUserClick: (departmentSection: DepartmentSectionSchema) => void,
+    toggleAllDepartmentIds: () => void,
+};
+
+const DepartmentContext = createContext<DepartmentContextState | undefined>(
+    undefined,
+);
+
+const useDepartmentContextState = () => {
+    const [departments, setDepartments] = useState<DepartmentSchema[]>([]);
+    const [departmentIds, setDepartmentIds] = useState<string[]>([]);
+
+    const fetchDepartments = () => {
+        DepartmentService.getDepartments()
+            .then(res => {
+                setDepartments(res.departments);
+                if (departmentIds.length === 0) {
+                    setDepartmentIds(res.departments.map(dep => dep.id.toString()));
+                }
+            })
+            .catch(e => console.log(e));
+    };
+
+    const departmentsCrud = useDepartmentCrud({ fetchDepartments });
+    const departmentSectionsCrud = useDepartmentSectionCrud({ fetchDepartments });
+
+    useEffect(() => {
+        fetchDepartments();
+    }, []);
+
+    const openDepartmentModal = (
+        title: string,
+        isDepartmentSection: boolean,
+        element?: DepartmentSchema | DepartmentSectionSchema | DepartmentSectionBaseSchema,
+    ) => {
+        modals.openContextModal({
+            modal: "departmentModal",
+            title,
+            withCloseButton: false,
+            innerProps: {
+                departmentsCrud,
+                departmentSectionsCrud,
+                isDepartmentSection,
+                element,
+            },
+        });
+    };
+
+    const onCreateDepartmentClick = (isSection: boolean, element?: DepartmentSectionBaseSchema) => {
+        const title: string = isSection ? "Создание отдела" : "Создание департамента";
+        openDepartmentModal(title, isSection, element);
+    };
+
+    const onUpdateDepartmentClick = (element: DepartmentSchema | DepartmentSectionSchema, isSection: boolean) => {
+        const title: string = isSection ? "Редактирование отдела" : "Редактирование департамента";
+        openDepartmentModal(title, isSection, element);
+    };
+
+    const onDeleteDepartmentClick = (element: DepartmentSchema | DepartmentSectionSchema, isSection: boolean) => {
+        modals.openConfirmModal({
+            title: "Удаление " + (isSection ? "отдела" : "департамента"),
+            children: (
+                <Text size="sm">
+                    Вы уверены что хотите удалить {isSection ? "отдел" : "департамент"} {element.name}?
+                </Text>
+            ),
+            labels: { confirm: "Да", cancel: "Нет" },
+            confirmProps: { color: "red" },
+            onConfirm: () => {
+                if (isSection) {
+                    departmentSectionsCrud.onDelete(element as DepartmentSectionSchema);
+                } else {
+                    departmentsCrud.onDelete(element);
+                }
+            },
+        });
+    };
+
+    const onAddUserClick = (departmentSection: DepartmentSectionSchema) => {
+        modals.openContextModal({
+            modal: "addUserToDepartmentModal",
+            title: `Добавление пользователя в отдел ${departmentSection.name}`,
+            withCloseButton: false,
+            innerProps: {
+                departmentSection,
+                fetchDepartments,
+            },
+        });
+    }
+
+    const toggleAllDepartmentIds = () => {
+        if (departmentIds.length > 0) {
+            setDepartmentIds([]);
+            return;
+        }
+        setDepartmentIds(departments.map(department => department.id.toString()));
+    }
+
+    return {
+        departments,
+        departmentIds,
+        setDepartmentIds,
+        fetchDepartments,
+        onCreateDepartmentClick,
+        onUpdateDepartmentClick,
+        onDeleteDepartmentClick,
+        onAddUserClick,
+        toggleAllDepartmentIds,
+    };
+};
+
+type DepartmentContextProviderProps = {
+    children: React.ReactNode;
+};
+
+export const DepartmentContextProvider: FC<DepartmentContextProviderProps> = ({ children }) => {
+    const state = useDepartmentContextState();
+    return (
+        <DepartmentContext.Provider value={state}>
+            {children}
+        </DepartmentContext.Provider>
+    );
+};
+
+export const useDepartmentContext = () => {
+    const context = useContext(DepartmentContext);
+    if (!context) {
+        throw new Error(
+            "useDepartmentContext must be used within a DepartmentContextProvider",
+        );
+    }
+    return context;
+};
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useAvailableUsersList.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useAvailableUsersList.tsx
new file mode 100644
index 0000000..3057a85
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useAvailableUsersList.tsx
@@ -0,0 +1,16 @@
+import { DepartmentService } from "../../../../../client";
+import ObjectList from "../../../../../hooks/objectList.tsx";
+
+
+type Props = {
+    sectionId: number;
+}
+
+const useAvailableUsersList = ({ sectionId }: Props) =>
+    ObjectList({
+        queryFn: () => DepartmentService.getAvailableUsersForSection({ sectionId }),
+        getObjectsFn: response => response.users,
+        queryKey: "getAvailableUsersForDepartmentSection",
+    });
+
+export default useAvailableUsersList;
\ No newline at end of file
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useDepartmentCrud.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useDepartmentCrud.tsx
new file mode 100644
index 0000000..5558672
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useDepartmentCrud.tsx
@@ -0,0 +1,49 @@
+import { useCRUD } from "../../../../../hooks/useCRUD.tsx";
+import { DepartmentBaseSchema, DepartmentSchema, DepartmentService } from "../../../../../client";
+import { notifications } from "../../../../../shared/lib/notifications.ts";
+
+
+export type DepartmentCrud = {
+    onCreate: (element: DepartmentBaseSchema) => void,
+    onDelete: (element: DepartmentSchema) => void,
+    onChange: (element: DepartmentSchema) => void
+}
+
+type Props = {
+    fetchDepartments: () => void;
+}
+
+const useDepartmentCrud = ({ fetchDepartments }: Props): DepartmentCrud => {
+    return useCRUD<DepartmentSchema, DepartmentBaseSchema>({
+        onChange: department => {
+            DepartmentService.updateDepartment({
+                requestBody: { department },
+            })
+                .then(({ ok, message }) => {
+                    notifications.guess(ok, { message });
+                    fetchDepartments();
+                })
+                .catch(err => console.log(err));
+        },
+        onCreate: department => {
+            DepartmentService.createDepartment({
+                requestBody: { department },
+            })
+                .then(({ ok, message }) => {
+                    notifications.guess(ok, { message });
+                    fetchDepartments();
+                })
+                .catch(err => console.log(err));
+        },
+        onDelete: department => {
+            DepartmentService.deleteDepartment({ departmentId: department.id })
+                .then(({ ok, message }) => {
+                    notifications.guess(ok, { message });
+                    fetchDepartments();
+                })
+                .catch(err => console.log(err));
+        },
+    });
+};
+
+export default useDepartmentCrud;
\ No newline at end of file
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useDepartmentSectionCrud.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useDepartmentSectionCrud.tsx
new file mode 100644
index 0000000..9dcc6a5
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useDepartmentSectionCrud.tsx
@@ -0,0 +1,49 @@
+import { useCRUD } from "../../../../../hooks/useCRUD.tsx";
+import { DepartmentSectionBaseSchema, DepartmentSectionSchema, DepartmentService } from "../../../../../client";
+import { notifications } from "../../../../../shared/lib/notifications.ts";
+
+
+export type DepartmentSectionCrud = {
+    onCreate: (element: DepartmentSectionBaseSchema) => void,
+    onDelete: (element: DepartmentSectionSchema) => void,
+    onChange: (element: DepartmentSectionSchema) => void
+}
+
+type Props = {
+    fetchDepartments: () => void;
+}
+
+const useDepartmentSectionCrud = ({ fetchDepartments }: Props): DepartmentSectionCrud => {
+    return useCRUD<DepartmentSectionSchema, DepartmentSectionBaseSchema>({
+        onChange: section => {
+            DepartmentService.updateSection({
+                requestBody: { section },
+            })
+                .then(({ ok, message }) => {
+                    notifications.guess(ok, { message });
+                    fetchDepartments();
+                })
+                .catch(err => console.log(err));
+        },
+        onCreate: section => {
+            DepartmentService.createSection({
+                requestBody: { section },
+            })
+                .then(({ ok, message }) => {
+                    notifications.guess(ok, { message });
+                    fetchDepartments();
+                })
+                .catch(err => console.log(err));
+        },
+        onDelete: section => {
+            DepartmentService.deleteSection({ sectionId: section.id })
+                .then(({ ok, message }) => {
+                    notifications.guess(ok, { message });
+                    fetchDepartments();
+                })
+                .catch(err => console.log(err));
+        },
+    });
+};
+
+export default useDepartmentSectionCrud;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useUsersTableColumns.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useUsersTableColumns.tsx
new file mode 100644
index 0000000..1b41f4e
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/hooks/useUsersTableColumns.tsx
@@ -0,0 +1,31 @@
+import { useMemo } from "react";
+import { MRT_ColumnDef } from "mantine-react-table";
+import { UserSchema } from "../../../../../client";
+
+
+const useUsersTableColumns = () => {
+    return useMemo<MRT_ColumnDef<UserSchema>[]>(
+        () => [
+            {
+                header: "ФИО",
+                Cell: ({ row }) =>
+                    `${row.original.secondName} ${row.original.firstName} ${row.original.patronymic}`,
+            },
+            {
+                accessorKey: "role.name",
+                header: "Роль",
+            },
+            {
+                accessorKey: "position.name",
+                header: "Должность",
+            },
+            {
+                accessorKey: "comment",
+                header: "Доп. информация",
+            }
+        ],
+        [],
+    );
+};
+
+export default useUsersTableColumns;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/modals/AddUserToDepartmentModal.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/modals/AddUserToDepartmentModal.tsx
new file mode 100644
index 0000000..1f9437c
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/modals/AddUserToDepartmentModal.tsx
@@ -0,0 +1,64 @@
+import { useForm } from "@mantine/form";
+import { ContextModalProps } from "@mantine/modals";
+import { Button, Flex, rem } from "@mantine/core";
+import { DepartmentSectionSchema, DepartmentService } from "../../../../../client";
+import AddUserToDepartmentModalForm from "../types/AddUserToDepartmentModalForm.tsx";
+import { notifications } from "../../../../../shared/lib/notifications.ts";
+import UserForDepartmentSelect from "../components/UserForDepartmentSelect.tsx";
+
+type Props = {
+    departmentSection: DepartmentSectionSchema;
+    fetchDepartments: () => void;
+}
+
+const AddUserToDepartmentModal = ({
+                             context,
+                             id,
+                             innerProps,
+                         }: ContextModalProps<Props>) => {
+    const form = useForm<Partial<AddUserToDepartmentModalForm>>({
+        validate: {
+            user: user => !user && "Необходимо выбрать пользователя",
+        },
+    });
+
+    const onSubmit = () => {
+        if (!form.values.user) return;
+        DepartmentService.addUser({
+            requestBody: {
+                userId: form.values.user.id,
+                sectionId: innerProps.departmentSection.id,
+            }
+        })
+            .then(({ ok, message }) => {
+                notifications.guess(ok, { message });
+                innerProps.fetchDepartments();
+            })
+            .catch(err => console.log(err));
+
+        context.closeContextModal(id);
+    };
+
+    return (
+        <form onSubmit={form.onSubmit(() => onSubmit())}>
+            <Flex
+                direction={"column"}
+                gap={rem(10)}
+            >
+                <UserForDepartmentSelect
+                    label={"Пользователь"}
+                    {...form.getInputProps("user")}
+                    sectionId={innerProps.departmentSection.id}
+                />
+                <Button
+                    variant={"default"}
+                    type={"submit"}
+                >
+                    Сохранить
+                </Button>
+            </Flex>
+        </form>
+    );
+};
+
+export default AddUserToDepartmentModal;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/modals/DepartmentModal.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/modals/DepartmentModal.tsx
new file mode 100644
index 0000000..5615922
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/modals/DepartmentModal.tsx
@@ -0,0 +1,79 @@
+import { useForm } from "@mantine/form";
+import { ContextModalProps } from "@mantine/modals";
+import { Button, Flex, rem, TextInput } from "@mantine/core";
+import { DepartmentModalForm } from "../types/DepartmentModalForm.tsx";
+import { DepartmentSchema, DepartmentSectionBaseSchema, DepartmentSectionSchema } from "../../../../../client";
+import { DepartmentCrud } from "../hooks/useDepartmentCrud.tsx";
+import { DepartmentSectionCrud } from "../hooks/useDepartmentSectionCrud.tsx";
+
+type Props = {
+    departmentsCrud: DepartmentCrud;
+    departmentSectionsCrud: DepartmentSectionCrud;
+    element?: DepartmentSchema | DepartmentSectionSchema | DepartmentSectionBaseSchema;
+    isDepartmentSection: boolean;
+}
+
+const DepartmentModal = ({
+                             context,
+                             id,
+                             innerProps,
+                         }: ContextModalProps<Props>) => {
+    const {
+        departmentsCrud,
+        departmentSectionsCrud,
+        element,
+        isDepartmentSection,
+    } = innerProps;
+
+    const initialValues: DepartmentModalForm = {
+        name: element?.name ?? "",
+    };
+    const form = useForm<DepartmentModalForm>({
+        initialValues,
+        validate: {
+            name: name => !name && "Необходимо указать название",
+        },
+    });
+
+    const onSubmit = () => {
+        if (isDepartmentSection) {
+            const sectionData = { ...element as DepartmentSectionSchema, ...form.values };
+            if (sectionData.id) {
+                departmentSectionsCrud.onChange(sectionData);
+            } else {
+                departmentSectionsCrud.onCreate(sectionData);
+            }
+        } else {
+            const departmentData = element as DepartmentSchema;
+            if (element) {
+                departmentsCrud.onChange({ ...form.values, id: departmentData.id });
+            } else {
+                departmentsCrud.onCreate(form.values);
+            }
+        }
+        context.closeContextModal(id);
+    };
+
+    return (
+        <form onSubmit={form.onSubmit(() => onSubmit())}>
+            <Flex
+                direction={"column"}
+                gap={rem(10)}
+            >
+                <TextInput
+                    label={"Название"}
+                    {...form.getInputProps("name")}
+                />
+
+                <Button
+                    variant={"default"}
+                    type={"submit"}
+                >
+                    Сохранить
+                </Button>
+            </Flex>
+        </form>
+    );
+};
+
+export default DepartmentModal;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/types/AddUserToDepartmentModalForm.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/types/AddUserToDepartmentModalForm.tsx
new file mode 100644
index 0000000..493d29d
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/types/AddUserToDepartmentModalForm.tsx
@@ -0,0 +1,7 @@
+import { UserSchema } from "../../../../../client";
+
+type AddUserToDepartmentModalForm = {
+    user: UserSchema;
+}
+
+export default AddUserToDepartmentModalForm;
diff --git a/src/pages/AdminPage/tabs/OrganizationalStructureTab/types/DepartmentModalForm.tsx b/src/pages/AdminPage/tabs/OrganizationalStructureTab/types/DepartmentModalForm.tsx
new file mode 100644
index 0000000..736a8ad
--- /dev/null
+++ b/src/pages/AdminPage/tabs/OrganizationalStructureTab/types/DepartmentModalForm.tsx
@@ -0,0 +1,3 @@
+export type DepartmentModalForm = {
+    name: string;
+}