stdnum.dk.cvr

CVR (Momsregistreringsnummer, Danish VAT number).

The CVR (Momsregistreringsnummer, VAT) is an 8 digit number with a straightforward check mechanism.

>>> validate('DK 13585628')
'13585628'
>>> validate('DK 13585627')
Traceback (most recent call last):
    ...
InvalidChecksum: ...

stdnum.dk.cvr.checksum(number: str) → int

Calculate the checksum.

stdnum.dk.cvr.compact(number: str) → str

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

stdnum.dk.cvr.is_valid(number: str) → bool

Check if the number provided is a valid VAT number. This checks the length, formatting and check digit.

stdnum.dk.cvr.validate(number: str) → str

Check if the number provided is a valid VAT number. This checks the length, formatting and check digit.