stdnum.gb.utr

UTR (United Kingdom Unique Taxpayer Reference).

A UTR (unique taxpayer reference) is a 10 digit number used to identify UK taxpayers who have to submit a tax return.

More information:

• https://www.oecd.org/tax/automatic-exchange/crs-implementation-and-assistance/tax-identification-numbers/UK-TIN.pdf

>>> validate('1955839661')
'1955839661'
>>> validate('2955839661')
Traceback (most recent call last):
    ...
InvalidChecksum: ..

stdnum.gb.utr.calc_check_digit(number: str) → str

Calculate the check digit for the number. The passed number should not have the check digit (the first one) included.

stdnum.gb.utr.compact(number: str) → str

Convert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.

stdnum.gb.utr.is_valid(number: str) → bool

Check if the number is a valid UTR.

stdnum.gb.utr.validate(number: str) → str

Check if the number is a valid UTR.