feat(regional): toggle for reduced depreciation rate as per IT Act (backport #27600)

erpnext/assets/doctype/asset/asset.py

@@ -394,10 +394,6 @@ def validate_asset_finance_books(self, row):
 			if cint(self.number_of_depreciations_booked) > cint(row.total_number_of_depreciations):
 				frappe.throw(_("Number of Depreciations Booked cannot be greater than Total Number of Depreciations"))
 
-		if row.depreciation_start_date and getdate(row.depreciation_start_date) < getdate(nowdate()):
-			frappe.msgprint(_("Depreciation Row {0}: Depreciation Start Date is entered as past date")
-				.format(row.idx), title=_('Warning'), indicator='red')
-
 		if row.depreciation_start_date and getdate(row.depreciation_start_date) < getdate(self.purchase_date):
 			frappe.throw(_("Depreciation Row {0}: Next Depreciation Date cannot be before Purchase Date")
 				.format(row.idx))

erpnext/assets/doctype/asset/test_asset.py

@@ -645,12 +645,18 @@ def test_discounted_wdv_depreciation_rate_for_indian_region(self):
 		pr = make_purchase_receipt(item_code="Macbook Pro",
 			qty=1, rate=8000.0, location="Test Location")
 
+		finance_book = frappe.new_doc('Finance Book')
+		finance_book.finance_book_name = 'Income Tax'
+		finance_book.for_income_tax = 1
+		finance_book.insert(ignore_if_duplicate=1)
+
 		asset_name = frappe.db.get_value("Asset", {"purchase_receipt": pr.name}, 'name')
 		asset = frappe.get_doc('Asset', asset_name)
 		asset.calculate_depreciation = 1
 		asset.available_for_use_date = '2030-07-12'
 		asset.purchase_date = '2030-01-01'
 		asset.append("finance_books", {
+			"finance_book": finance_book.name,
 			"expected_value_after_useful_life": 1000,
 			"depreciation_method": "Written Down Value",
 			"total_number_of_depreciations": 3,

erpnext/patches.txt

@@ -315,4 +315,5 @@ erpnext.patches.v13_0.make_homepage_products_website_items
 erpnext.patches.v13_0.update_dates_in_tax_withholding_category
 erpnext.patches.v13_0.replace_supplier_item_group_with_party_specific_item
 erpnext.patches.v13_0.create_accounting_dimensions_in_pos_doctypes
-erpnext.patches.v13_0.modify_invalid_gain_loss_gl_entries
+erpnext.patches.v13_0.create_custom_field_for_finance_book
+erpnext.patches.v13_0.modify_invalid_gain_loss_gl_entries

erpnext/patches/v13_0/create_custom_field_for_finance_book.py

@@ -0,0 +1,21 @@
+import frappe
+from frappe.custom.doctype.custom_field.custom_field import create_custom_fields
+
+
+def execute():
+	company = frappe.get_all('Company', filters = {'country': 'India'})
+	if not company:
+		return
+
+	custom_field = {
+		'Finance Book': [
+			{
+				'fieldname': 'for_income_tax',
+				'label': 'For Income Tax',
+				'fieldtype': 'Check',
+				'insert_after': 'finance_book_name',
+				'description': 'If the asset is put to use for less than 180 days, the first Depreciation Rate will be reduced by 50%.'
+			}
+		]
+	}
+	create_custom_fields(custom_field, update=1)

erpnext/regional/india/setup.py

@@ -706,6 +706,15 @@ def make_custom_fields(update=True):
 				'fieldtype': 'Data',
 				'insert_after': 'email'
 			}
+		],
+		'Finance Book': [
+			{
+				'fieldname': 'for_income_tax',
+				'label': 'For Income Tax',
+				'fieldtype': 'Check',
+				'insert_after': 'finance_book_name',
+				'description': 'If the asset is put to use for less than 180 days, the first Depreciation Rate will be reduced by 50%.'
+			}
 		]
 	}
 	create_custom_fields(custom_fields, update=update)

erpnext/regional/india/utils.py

@@ -856,12 +856,13 @@ def get_depreciation_amount(asset, depreciable_value, row):
 		rate_of_depreciation = row.rate_of_depreciation
 		# if its the first depreciation
 		if depreciable_value == asset.gross_purchase_amount:
-			# as per IT act, if the asset is purchased in the 2nd half of fiscal year, then rate is divided by 2
-			diff = date_diff(row.depreciation_start_date, asset.available_for_use_date)
-			if diff <= 180:
-				rate_of_depreciation = rate_of_depreciation / 2
-				frappe.msgprint(
-					_('As per IT Act, the rate of depreciation for the first depreciation entry is reduced by 50%.'))
+			if row.finance_book and frappe.db.get_value('Finance Book', row.finance_book, 'for_income_tax'):
+				# as per IT act, if the asset is purchased in the 2nd half of fiscal year, then rate is divided by 2
+				diff = date_diff(row.depreciation_start_date, asset.available_for_use_date)
+				if diff <= 180:
+					rate_of_depreciation = rate_of_depreciation / 2
+					frappe.msgprint(
+						_('As per IT Act, the rate of depreciation for the first depreciation entry is reduced by 50%.'))
 
 		depreciation_amount = flt(depreciable_value * (flt(rate_of_depreciation) / 100))