From 074c84e8809a85aeb1f94be3432b78dcad0c8584 Mon Sep 17 00:00:00 2001
From: Afsal Syed <146159709+Afsalsyed@users.noreply.github.com>
Date: Fri, 28 Aug 2026 15:51:51 +0530
Subject: [PATCH] fix: persist redistributed additional costs during stock
 entry repost (#58433)

* fix: persist redistributed additional costs during stock entry repost

* test: cover additional cost persistence on stock entry recalculation
---
 .../test_repost_item_valuation.py             | 52 ++++++++++++++++++-
 erpnext/stock/stock_ledger.py                 |  4 +-
 2 files changed, 54 insertions(+), 2 deletions(-)

diff --git a/erpnext/stock/doctype/repost_item_valuation/test_repost_item_valuation.py b/erpnext/stock/doctype/repost_item_valuation/test_repost_item_valuation.py
index 57da344d3f0..750b504f86d 100644
--- a/erpnext/stock/doctype/repost_item_valuation/test_repost_item_valuation.py
+++ b/erpnext/stock/doctype/repost_item_valuation/test_repost_item_valuation.py
@@ -5,7 +5,7 @@
 from unittest.mock import MagicMock, call, patch
 
 import frappe
-from frappe.utils import add_days, add_to_date, now, nowdate, today
+from frappe.utils import add_days, add_to_date, flt, now, nowdate, today
 
 from erpnext.accounts import utils as accounts_utils
 from erpnext.accounts.doctype.sales_invoice.test_sales_invoice import create_sales_invoice
@@ -626,6 +626,56 @@ class TestRepostItemValuation(ERPNextTestSuite, StockTestMixin):
 		# incoming rate after reposting should be 150
 		self.assertSLEs(se, [{"incoming_rate": 150}])
 
+	def test_recalculate_stock_entry_additional_cost_updates_all_incoming_rows(self):
+		from erpnext.stock.stock_ledger import update_entries_after
+
+		company = frappe.db.get_value("Warehouse", "Stores - TCP1", "company")
+		warehouse = "Stores - TCP1"
+		items = [
+			self.make_item(f"_Test Repost Addl Cost {x}", {"is_stock_item": 1}).name for x in ("A", "B", "C")
+		]
+
+		for item_code in items:
+			make_stock_entry(item_code=item_code, target=warehouse, company=company, qty=100, rate=10)
+
+		transfer = make_stock_entry(company=company, purpose="Material Transfer", do_not_save=True)
+		transfer.from_warehouse = warehouse
+		transfer.to_warehouse = warehouse
+		transfer.items = []
+		for item_code in items:
+			transfer.append(
+				"items",
+				{
+					"item_code": item_code,
+					"qty": 100,
+					"s_warehouse": warehouse,
+					"t_warehouse": warehouse,
+					"uom": "Nos",
+					"conversion_factor": 1,
+				},
+			)
+		transfer.append(
+			"additional_costs",
+			{
+				"expense_account": "Expenses Included In Valuation - TCP1",
+				"description": "freight",
+				"amount": 100,
+			},
+		)
+		transfer.insert()
+		transfer.submit()
+
+		first_row = transfer.items[0]
+		frappe.db.set_value("Stock Entry Detail", first_row.name, "basic_rate", first_row.basic_rate + 1)
+		update_entries_after.recalculate_amounts_in_stock_entry(MagicMock(), transfer.name, first_row.name)
+
+		transfer.load_from_db()
+		detail_additional_cost = sum(row.additional_cost for row in transfer.items)
+		net_added_to_stock = sum(row.amount - row.basic_amount for row in transfer.items)
+
+		self.assertEqual(flt(detail_additional_cost, 2), flt(transfer.total_additional_costs, 2))
+		self.assertEqual(flt(net_added_to_stock, 2), flt(transfer.total_additional_costs, 2))
+
 	def test_repost_multi_line_moving_average_return(self):
 		from erpnext.controllers.sales_and_purchase_return import make_return_doc
 
diff --git a/erpnext/stock/stock_ledger.py b/erpnext/stock/stock_ledger.py
index 20b67783634..a469acc7a06 100644
--- a/erpnext/stock/stock_ledger.py
+++ b/erpnext/stock/stock_ledger.py
@@ -1597,12 +1597,14 @@ class update_entries_after:
 		stock_entry = frappe.get_lazy_doc("Stock Entry", voucher_no, for_update=True)
 		stock_entry.calculate_rate_and_amount(reset_outgoing_rate=False, raise_error_if_no_rate=False)
 		stock_entry.db_update()
+		update_additional_cost_rows = bool(stock_entry.get("additional_costs"))
 		for d in stock_entry.items:
-			# Update only the row that matches the voucher_detail_no or the row containing the FG/Scrap Item.
+			# Additional costs are redistributed across all incoming rows.
 			if (
 				d.name == voucher_detail_no
 				or (not d.s_warehouse and d.t_warehouse)
 				or stock_entry.purpose in ["Manufacture", "Repack"]
+				or (update_additional_cost_rows and d.t_warehouse)
 			):
 				d.db_update()