stdnum.it.iva

Partita IVA (Italian VAT number).

The Partita IVA (Imposta sul valore aggiunto) consists of 11 digits. The first 7 digits are a company identifier, the next 3 refer to the province of residence and the last is a check digit.

The fiscal code for individuals is not accepted as valid code for intracommunity VAT related operations so it is ignored here.

>>> validate('IT 00743110157')
'00743110157'
>>> validate('00743110158')  # invalid check digit
Traceback (most recent call last):
    ...
InvalidChecksum: ...

stdnum.it.iva.compact(number)

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

stdnum.it.iva.is_valid(number)

Check if the number is a valid VAT number.

stdnum.it.iva.validate(number)

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