diff --git a/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.py b/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.py
index 0b5df9e..3c7a3c9 100644
--- a/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.py
+++ b/erpnext/accounts/doctype/tax_withholding_category/tax_withholding_category.py
@@ -335,6 +335,9 @@
 		"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:
@@ -493,10 +496,13 @@
 	cumulative_threshold = tax_details.get("cumulative_threshold", 0)
 
 	current_invoice_total = get_invoice_total_without_tcs(inv, tax_details)
+	print(invoiced_amt, advance_amt, credit_note_amt, current_invoice_total)
 	total_invoiced_amt = current_invoice_total + invoiced_amt + advance_amt - credit_note_amt
 
+	print(total_invoiced_amt, "######", "total_invoiced_amt")
 	if cumulative_threshold and total_invoiced_amt >= cumulative_threshold:
 		chargeable_amt = total_invoiced_amt - cumulative_threshold
+		print(chargeable_amt, "#########")
 		tcs_amount = chargeable_amt * tax_details.rate / 100 if chargeable_amt > 0 else 0
 
 	return tcs_amount