diff --git a/erpnext/regional/india/utils.py b/erpnext/regional/india/utils.py
index 77bcc80..0f9156a 100644
--- a/erpnext/regional/india/utils.py
+++ b/erpnext/regional/india/utils.py
@@ -179,6 +179,8 @@
 
 	if not party_details.place_of_supply: return
 
+	if not party_details.company_gstin: return
+
 	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",
 		"Purchase Order", "Purchase Receipt") and party_details.supplier_gstin and party_details.supplier_gstin[:2] != party_details.place_of_supply[:2])):