diff --git a/erpnext/accounts/party.py b/erpnext/accounts/party.py
index b217f00..ac9368e 100644
--- a/erpnext/accounts/party.py
+++ b/erpnext/accounts/party.py
@@ -174,6 +174,9 @@
 			party_type, party.name, "tax_withholding_category"
 		)
 
+	if not party_details.get("tax_category") and pos_profile:
+		party_details["tax_category"] = frappe.get_value("POS Profile", pos_profile, "tax_category")
+
 	return party_details