# stdnum.ar.cuit

CUIT (Código Único de Identificación Tributaria, Argentinian tax number).

The CUIT is a taxpayer identification number used for VAT (IVA, Impuesto al Valor Agregado) and other taxes.

More information:

- https://es.wikipedia.org/wiki/Clave_Única_de_Identificación_Tributaria

    >>> validate('20-05536168-2')
    '20055361682'
    >>> validate('20267565392')
    Traceback (most recent call last):
        ...
    InvalidChecksum: ...
    >>> format('20267565393')
    '20-26756539-3'

stdnum.ar.cuit.calc_check_digit(number)

  Calculate the check digit.

stdnum.ar.cuit.compact(number)

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

stdnum.ar.cuit.format(number)

  Reformat the number to the standard presentation format.

stdnum.ar.cuit.is_valid(number)

  Check if the number is a valid CUIT.

stdnum.ar.cuit.validate(number)

  Check if the number is a valid CUIT.