From 8d7f5d342df4bb0536490d115b33bbc18457a40d Mon Sep 17 00:00:00 2001
From: Deepesh Garg <42651287+deepeshgarg007@users.noreply.github.com>
Date: Fri, 22 May 2020 12:28:45 +0530
Subject: [PATCH] fix: Item tax template not getting mapped from source to
 traget doc (#21862)

---
 erpnext/public/js/controllers/transaction.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 28c2102aef..637d3b3267 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -1652,8 +1652,10 @@ erpnext.TransactionController = erpnext.taxes_and_totals.extend({
 					if(!r.exc) {
 						$.each(me.frm.doc.items || [], function(i, item) {
 							if(item.item_code && r.message.hasOwnProperty(item.item_code)) {
-								item.item_tax_template = r.message[item.item_code].item_tax_template;
-								item.item_tax_rate = r.message[item.item_code].item_tax_rate;
+								if (!item.item_tax_template) {
+									item.item_tax_template = r.message[item.item_code].item_tax_template;
+									item.item_tax_rate = r.message[item.item_code].item_tax_rate;
+								}
 								me.add_taxes_from_item_tax_template(item.item_tax_rate);
 							} else {
 								item.item_tax_template = "";