feat(UAE VAT 21): Add region fields for UAE VAT 21
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index 72be2dc..ec34c4e 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -243,6 +243,9 @@
 			"erpnext.regional.italy.utils.sales_invoice_on_cancel",
 			"erpnext.erpnext_integrations.taxjar_integration.delete_transaction"
 		],
+		"validate": [
+			"erpnext.regional.united_arab_emirates.utils.validate_returns",
+		],
 		"on_trash": "erpnext.regional.check_deletion_permission"
 	},
 	"Purchase Invoice": {