diff --git a/core/docs/drf/views.py b/core/docs/drf/views.py
index 06bc43d6..3d62c800 100644
--- a/core/docs/drf/views.py
+++ b/core/docs/drf/views.py
@@ -91,7 +91,7 @@ BUY_AS_BUSINESS_SCHEMA = {
         summary=_("purchase an order as a business"),
         request=BuyAsBusinessOrderSerializer,
         responses={
-            200: TransactionProcessSerializer,
+            201: TransactionProcessSerializer,
             400: error,
         },
         description=(
diff --git a/core/models.py b/core/models.py
index 4c5a2f97..b90e445d 100644
--- a/core/models.py
+++ b/core/models.py
@@ -1640,6 +1640,11 @@ class Order(ExportModelOperationsMixin("order"), NiceModel):  # type: ignore [mi
         if not order.user:
             raise ValueError(_("you cannot buy an order without a user"))
 
+        if order.user.attributes.get("is_business", False):
+            if type(order.attributes) is not dict:
+                order.attributes = {}
+            order.attributes.update({"is_business": True})
+
         if not order.user.payments_balance:
             raise ValueError(_("a user without a balance cannot buy with balance"))
 
@@ -1663,8 +1668,8 @@ class Order(ExportModelOperationsMixin("order"), NiceModel):  # type: ignore [mi
                     currency=CURRENCY_CODE,
                     order=order,
                 )
-
-        return order
+            case _:
+                raise ValueError(_("invalid force value"))
 
     def buy_without_registration(self, products: list, promocode_uuid, **kwargs) -> Transaction | None:
         if config.DISABLED_COMMERCE:
diff --git a/core/serializers/utility.py b/core/serializers/utility.py
index 8ecd124a..64cc9bec 100644
--- a/core/serializers/utility.py
+++ b/core/serializers/utility.py
@@ -176,7 +176,7 @@ class BuyUnregisteredOrderSerializer(Serializer):
 
 class BuyAsBusinessOrderSerializer(Serializer):
     products = ListField(child=AddOrderProductSerializer(), required=True)
-    business_inn = CharField(required=True)
+    business_identificator = CharField(required=True)
     business_email = CharField(required=True)
     business_phone_number = CharField(required=True)
     billing_business_address_uuid = CharField(required=False)
diff --git a/core/views.py b/core/views.py
index a3b28f30..fd8c2dd8 100644
--- a/core/views.py
+++ b/core/views.py
@@ -445,7 +445,7 @@ class BuyAsBusinessView(APIView):
             is_business=True,
         )
         return Response(
-            status=status.HTTP_202_ACCEPTED,
+            status=status.HTTP_201_CREATED,
             data=TransactionProcessSerializer(transaction).data,
         )