diff --git a/apps/authentication/api/v1/serializers/serializer.py b/apps/authentication/api/v1/serializers/serializer.py
index d77467a..bce393b 100644
--- a/apps/authentication/api/v1/serializers/serializer.py
+++ b/apps/authentication/api/v1/serializers/serializer.py
@@ -4,7 +4,8 @@ from django.contrib.auth.hashers import make_password
 from django.db.models import Q
 from rest_framework import serializers
 
-from apps.authentication.exceptions import UserExistException, OrganizationNationalUniqueIDException
+from apps.authentication.exceptions import UserExistException, OrganizationNationalUniqueIDException, \
+    OrganizationTypeRepeatableException
 from apps.authentication.models import (
     User,
     City,
@@ -231,6 +232,8 @@ class OrganizationSerializer(serializers.ModelSerializer):
         @ validate national_unique_code to be unique
         @ validate to organization type field
         """
+
+        #  check national_unique_id
         national_unique_id = attrs['national_unique_id']
 
         if not self.instance:
@@ -241,6 +244,31 @@ class OrganizationSerializer(serializers.ModelSerializer):
                 if self.Meta.model.objects.filter(national_unique_id=national_unique_id).exists():
                     raise OrganizationNationalUniqueIDException()
 
+        # check organization type field
+        # if is repeatable of type, organization will not be recreating
+        org_type = attrs['type']
+        if not org_type.is_repeatable:
+            if org_type.org_type_field == 'PR' and self.Meta.model.objects.filter(
+                    type=org_type,
+                    province=attrs['province']
+            ).exists():
+                raise OrganizationTypeRepeatableException()
+
+            if org_type.org_type_field == 'CI' and self.Meta.model.objects.filter(
+                    type=org_type,
+                    city=attrs['city']
+            ).exists():
+                raise OrganizationTypeRepeatableException()
+
+            if org_type.org_type_field == 'CO' and self.Meta.model.objects.filter(
+                    type=org_type,
+                    province=attrs['province'],
+                    city=attrs['city']
+            ).exists():
+                raise OrganizationTypeRepeatableException()
+
+        return attrs
+
     def to_representation(self, instance):
         """ Custom output """
         representation = super().to_representation(instance)
diff --git a/apps/authentication/exceptions.py b/apps/authentication/exceptions.py
index e703830..127a190 100644
--- a/apps/authentication/exceptions.py
+++ b/apps/authentication/exceptions.py
@@ -27,6 +27,14 @@ class OrganizationNationalUniqueIDException(APIException):
     default_code = 'organization_unique_id_exist'
 
 
+class OrganizationTypeRepeatableException(APIException):
+    """ if organization type is repeatable """
+
+    status_code = status.HTTP_403_FORBIDDEN
+    default_detail = _('این نوع سازمان قابلیت تکرار ندارد و از قبل وجود دارد')  # noqa
+    default_code = 'organization_type_repeatable'
+
+
 class UserExistException(APIException):
     """ if user exist """
 
diff --git a/logs/django_requests.log b/logs/django_requests.log
index dd2d457..9bbd7b3 100644
--- a/logs/django_requests.log
+++ b/logs/django_requests.log
@@ -461,3 +461,115 @@ AttributeError: 'NoneType' object has no attribute 'get'
 [2025-10-29 09:51:33,813] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
 [2025-10-29 09:51:47,218] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
 [2025-10-29 09:51:47,219] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 86
+[2025-10-29 10:00:27,432] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:00:29,717] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:03:41,269] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:03:43,232] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:04:47,365] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:04:50,277] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:09:32,639] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:09:34,437] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:21:27,175] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:21:29,082] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:23:50,014] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:23:50,040] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 86
+[2025-10-29 10:23:59,952] ERROR django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Internal Server Error: /auth/api/v1/organization/
+Traceback (most recent call last):
+  File "D:\Software\env\Lib\site-packages\django\core\handlers\exception.py", line 55, in inner
+    response = get_response(request)
+               ^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\django\core\handlers\base.py", line 197, in _get_response
+    response = wrapped_callback(request, *callback_args, **callback_kwargs)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\django\views\decorators\csrf.py", line 65, in _view_wrapper
+    return view_func(request, *args, **kwargs)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\viewsets.py", line 125, in view
+    return self.dispatch(request, *args, **kwargs)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\views.py", line 515, in dispatch
+    response = self.handle_exception(exc)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\views.py", line 472, in handle_exception
+    response = exception_handler(exc, context)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\views.py", line 512, in dispatch
+    response = handler(request, *args, **kwargs)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\python-3.12.0\Lib\contextlib.py", line 81, in inner
+    return func(*args, **kwds)
+           ^^^^^^^^^^^^^^^^^^^
+  File "D:\Project\Rasaddam_Backend\apps\authentication\api\v1\api.py", line 265, in create
+    if serializer.is_valid():
+       ^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\serializers.py", line 225, in is_valid
+    self._validated_data = self.run_validation(self.initial_data)
+                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\serializers.py", line 447, in run_validation
+    value = self.validate(value)
+            ^^^^^^^^^^^^^^^^^^^^
+  File "D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py", line 251, in validate
+    if not org_type.is_repeatable():
+           ^^^^^^^^^^^^^^^^^^^^^^^^
+TypeError: 'bool' object is not callable
+[2025-10-29 10:24:00,000] ERROR django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 500 130816
+[2025-10-29 10:24:19,306] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:24:21,579] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:24:29,252] ERROR django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Internal Server Error: /auth/api/v1/organization/
+Traceback (most recent call last):
+  File "D:\Software\env\Lib\site-packages\django\core\handlers\exception.py", line 55, in inner
+    response = get_response(request)
+               ^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\django\core\handlers\base.py", line 197, in _get_response
+    response = wrapped_callback(request, *callback_args, **callback_kwargs)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\django\views\decorators\csrf.py", line 65, in _view_wrapper
+    return view_func(request, *args, **kwargs)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\viewsets.py", line 125, in view
+    return self.dispatch(request, *args, **kwargs)
+           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\views.py", line 515, in dispatch
+    response = self.handle_exception(exc)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\views.py", line 472, in handle_exception
+    response = exception_handler(exc, context)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\views.py", line 512, in dispatch
+    response = handler(request, *args, **kwargs)
+               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\python-3.12.0\Lib\contextlib.py", line 81, in inner
+    return func(*args, **kwds)
+           ^^^^^^^^^^^^^^^^^^^
+  File "D:\Project\Rasaddam_Backend\apps\authentication\api\v1\api.py", line 265, in create
+    if serializer.is_valid():
+       ^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\serializers.py", line 225, in is_valid
+    self._validated_data = self.run_validation(self.initial_data)
+                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "D:\Software\env\Lib\site-packages\rest_framework\serializers.py", line 448, in run_validation
+    assert value is not None, '.validate() should return the validated data'
+AssertionError: .validate() should return the validated data
+[2025-10-29 10:24:29,650] ERROR django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 500 124810
+[2025-10-29 10:24:49,594] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:24:51,318] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:24:57,607] INFO django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 201 368
+[2025-10-29 10:25:07,658] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:25:07,659] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 86
+[2025-10-29 10:25:14,562] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:25:14,562] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 126
+[2025-10-29 10:25:17,922] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:25:17,924] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 126
+[2025-10-29 10:26:26,233] INFO django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 201 365
+[2025-10-29 10:26:28,588] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:26:28,589] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 86
+[2025-10-29 10:26:33,037] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:26:33,038] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 126
+[2025-10-29 10:27:09,481] INFO django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 201 375
+[2025-10-29 10:27:11,414] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:27:11,414] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 86
+[2025-10-29 10:27:16,016] WARNING django.request | IP: 127.0.0.1 | Path: /auth/api/v1/organization/ | Forbidden: /auth/api/v1/organization/
+[2025-10-29 10:27:16,017] WARNING django.server | IP: - | Path: - | "POST /auth/api/v1/organization/ HTTP/1.1" 403 126
+[2025-10-29 10:30:41,225] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.
+[2025-10-29 10:30:44,066] INFO django.utils.autoreload | IP: - | Path: - | Watching for file changes with StatReloader
+[2025-10-29 10:32:34,721] INFO django.utils.autoreload | IP: - | Path: - | D:\Project\Rasaddam_Backend\apps\authentication\api\v1\serializers\serializer.py changed, reloading.