# 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.