diff --git a/erpnext/regional/india/utils.py b/erpnext/regional/india/utils.py
index d443f9c..8715ef5 100644
--- a/erpnext/regional/india/utils.py
+++ b/erpnext/regional/india/utils.py
@@ -219,6 +219,7 @@
 
 	if not party_details.place_of_supply: return party_details
 	if not party_details.company_gstin: return party_details
+	if not party_details.supplier_gstin: return party_details
 
 	if ((doctype in ("Sales Invoice", "Delivery Note", "Sales Order") and party_details.company_gstin
 		and party_details.company_gstin[:2] != party_details.place_of_supply[:2]) or (doctype in ("Purchase Invoice",