fix: Disable tax included prices for internal transfers (#32794)

* fix: Disable tax-included prices for internal transfers

(cherry picked from commit 8d30ebb)

erpnext/controllers/accounts_controller.py

@@ -152,6 +152,7 @@ def validate(self):
 		self.validate_inter_company_reference()
 
 		self.disable_pricing_rule_on_internal_transfer()
+		self.disable_tax_included_prices_for_internal_transfer()
 		self.set_incoming_rate()
 
 		if self.meta.get_field("currency"):
@@ -395,6 +396,20 @@ def disable_pricing_rule_on_internal_transfer(self):
 				alert=1,
 			)
 
+	def disable_tax_included_prices_for_internal_transfer(self):
+		if self.is_internal_transfer():
+			tax_updated = False
+			for tax in self.get("taxes"):
+				if tax.get("included_in_print_rate"):
+					tax.included_in_print_rate = 0
+					tax_updated = True
+
+			if tax_updated:
+				frappe.msgprint(
+					_("Disabled tax included prices since this {} is an internal transfer").format(self.doctype),
+					alert=1,
+				)
+
 	def validate_due_date(self):
 		if self.get("is_pos"):
 			return

erpnext/stock/doctype/delivery_note/test_delivery_note.py

@@ -1050,9 +1050,22 @@ def test_internal_transfer_with_valuation_only(self):
 			do_not_submit=True,
 		)
 
+		dn.append(
+			"taxes",
+			{
+				"charge_type": "On Net Total",
+				"account_head": "_Test Account Service Tax - _TC",
+				"description": "Tax 1",
+				"rate": 14,
+				"cost_center": "_Test Cost Center - _TC",
+				"included_in_print_rate": 1,
+			},
+		)
+
 		self.assertEqual(dn.items[0].rate, 500)  # haven't saved yet
 		dn.save()
 		self.assertEqual(dn.ignore_pricing_rule, 1)
+		self.assertEqual(dn.taxes[0].included_in_print_rate, 0)
 
 		# rate should reset to incoming rate
 		self.assertEqual(dn.items[0].rate, rate)
@@ -1063,6 +1076,7 @@ def test_internal_transfer_with_valuation_only(self):
 		dn.save()
 
 		self.assertEqual(dn.items[0].rate, rate)
+		self.assertEqual(dn.items[0].net_rate, rate)
 
 	def test_internal_transfer_precision_gle(self):
 		from erpnext.selling.doctype.customer.test_customer import create_internal_customer