diff options
| -rw-r--r-- | stdnum/id/npwp.py | 24 | ||||
| -rw-r--r-- | tests/test_id_npwp.doctest | 11 |
2 files changed, 30 insertions, 5 deletions
diff --git a/stdnum/id/npwp.py b/stdnum/id/npwp.py index cfa668c..effa8ec 100644 --- a/stdnum/id/npwp.py +++ b/stdnum/id/npwp.py @@ -2,6 +2,7 @@ # coding: utf-8 # # Copyright (C) 2020 Leandro Regueiro +# Copyright (C) 2024 Arthur de Jong # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public @@ -24,11 +25,15 @@ The Nomor Pokok Wajib Pajak (NPWP) is assigned to organisations and individuals (families) by the Indonesian Tax Office after registration by the tax payers. -The number consists of 15 digits of which the first 2 denote the type of +The number consists of 16 digits and is either a NIK (Nomor Induk Kependudukan) +or a number that starts with a 0, followed by 2 digits that denote the type of entity, 6 digits to identify the tax payer, a check digit over the first 8 digits followed by 3 digits to identify the local tax office and 3 digits for branch code. +This module also accepts the old 15 digit format which is just the 16 digit +format without the starting 0. + More information: * https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/Indonesia-TIN.pdf @@ -49,6 +54,7 @@ InvalidLength: ... from stdnum import luhn from stdnum.exceptions import * +from stdnum.id import nik from stdnum.util import clean, isdigits @@ -64,12 +70,20 @@ def compact(number): def validate(number): """Check if the number is a valid Indonesia NPWP number.""" number = compact(number) - if len(number) != 15: - raise InvalidLength() if not isdigits(number): raise InvalidFormat() - luhn.validate(number[:9]) - return number + if len(number) == 15: + # Old 15 digit format + luhn.validate(number[:9]) + return number + if len(number) == 16: + # New format since 2024: either a NIK (for Indonesian citizens) or + # the old number with a 0 at the beginning + if not number.startswith('0'): + return nik.validate(number) + luhn.validate(number[:10]) + return number + raise InvalidLength() def is_valid(number): diff --git a/tests/test_id_npwp.doctest b/tests/test_id_npwp.doctest index 13a78d9..621aa53 100644 --- a/tests/test_id_npwp.doctest +++ b/tests/test_id_npwp.doctest @@ -1,6 +1,7 @@ test_id_npwp.doctest - more detailed doctests for stdnum.id.npwp module Copyright (C) 2020 Leandro Regueiro +Copyright (C) 2024 Arthur de Jong This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -49,6 +50,16 @@ Traceback (most recent call last): InvalidChecksum: ... +Since 2024 the numbers have been changed to a 16 digit format. They can +either be a NIK (for Indonesian citizens) or a 0 followed by the original +15-digit number. + +>>> npwp.validate('3171011708450001') # NIK +'3171011708450001' +>>> npwp.validate('083.132.665.7-201.000') # extra 0 prepended +'0831326657201000' + + These have been found online and should all be valid numbers. >>> numbers = ''' |