diff --git a/routes/assembly.py b/routes/assembly.py
index f2dcb00..c11f9e8 100644
--- a/routes/assembly.py
+++ b/routes/assembly.py
@@ -32,6 +32,20 @@ def create_assembly():
                 'userName': existing_assembly.user.login
             }
             return jsonify(response)
+
+        need_crpt_for_order_response = sipro.api.orders.need_crpt_by_order_id(order_id)
+        need_crpt_value = need_crpt_for_order_response.get('needCrpt')
+        if need_crpt_value:
+            valid_app = request.headers.get('CrptAvailable')
+            if not valid_app:
+                response = {
+                    'ok': False,
+                    'message': 'Для сборки этого заказа необходимо приложение с поддержкой Честного Знака',
+                    'assemblyId': -1,
+                    'statusCode': 'USER_ALREADY_HAS_ACTIVE_ASSEMBLY',
+                }
+                return jsonify(response)
+
         active_assembly = database.Assembly.query.filter(database.Assembly.user_id == user_id,
                                                          database.Assembly.is_active == True).first()
         if active_assembly:
diff --git a/sipro/api/orders.py b/sipro/api/orders.py
index 48dd908..1c4eb8a 100644
--- a/sipro/api/orders.py
+++ b/sipro/api/orders.py
@@ -53,3 +53,9 @@ def attach_crpt(order_product_id, crpt):
     data = {'orderProductId': order_product_id, 'crpt': crpt}
     response = client.method('POST', method, data=data)
     return response
+
+
+def need_crpt_by_order_id(order_id):
+    method = f'{router}/needCrptByOrder?orderId={order_id}'
+    response = client.method('GET', method)
+    return response
\ No newline at end of file