diff --git a/india_compliance/gst_india/overrides/purchase_invoice.py b/india_compliance/gst_india/overrides/purchase_invoice.py
index 2572d5436..0b9f14ead 100644
--- a/india_compliance/gst_india/overrides/purchase_invoice.py
+++ b/india_compliance/gst_india/overrides/purchase_invoice.py
@@ -9,7 +9,7 @@
     validate_hsn_codes as _validate_hsn_codes,
 )
 from india_compliance.gst_india.overrides.transaction import validate_transaction
-from india_compliance.gst_india.utils import is_api_enabled
+from india_compliance.gst_india.utils import is_api_enabled, validate_invoice_number
 from india_compliance.gst_india.utils.e_waybill import get_e_waybill_info
 
 
@@ -47,6 +47,7 @@ def validate(doc, method=None):
         return
 
     validate_hsn_codes(doc)
+    validate_invoice_number(doc)
     set_ineligibility_reason(doc)
     update_itc_totals(doc)
     validate_supplier_invoice_number(doc)
diff --git a/india_compliance/gst_india/overrides/subcontracting_transaction.py b/india_compliance/gst_india/overrides/subcontracting_transaction.py
index 200a0dc36..e4dfb444c 100644
--- a/india_compliance/gst_india/overrides/subcontracting_transaction.py
+++ b/india_compliance/gst_india/overrides/subcontracting_transaction.py
@@ -24,6 +24,9 @@
     validate_place_of_supply,
 )
 from india_compliance.gst_india.utils import get_gst_accounts_by_type, is_api_enabled
+from india_compliance.gst_india.utils import (
+    validate_invoice_number as validate_transaction_name,
+)
 from india_compliance.gst_india.utils.e_waybill import get_e_waybill_info
 from india_compliance.gst_india.utils.taxes_controller import (
     CustomTaxController,
@@ -165,6 +168,8 @@ def onload(doc, method=None):
 
 
 def validate(doc, method=None):
+    validate_transaction_name(doc)
+
     if ignore_gst_validation_for_subcontracting(doc):
         return