Merge pull request #32412 from deepeshgarg007/tcs_deduction_issue

fix: Incorrect TCS amount deducted in Sales Invoice

erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.py

@@ -335,6 +335,9 @@ def get_advance_vouchers(
 		"party": ["in", parties],
 	}
 
+	if party_type == "Customer":
+		filters.update({"against_voucher": ["is", "not set"]})
+
 	if company:
 		filters["company"] = company
 	if from_date and to_date: