# stdnum.gr.vat

FPA, ΦΠΑ, ΑΦΜ (Αριθμός Φορολογικού Μητρώου, the Greek VAT number).

The FPA is a 9-digit number with a simple checksum.

    >>> compact('GR 23456783')
    '023456783'
    >>> validate('EL 094259216 ')
    '094259216'
    >>> validate('EL 123456781')
    Traceback (most recent call last):
        ...
    InvalidChecksum: ...

`stdnum.gr.vat.``calc_check_digit`(number)

  Calculate the check digit. The number passed should not have the check digit included.

`stdnum.gr.vat.``compact`(number)

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

`stdnum.gr.vat.``is_valid`(number)

  Check if the number is a valid VAT number.

`stdnum.gr.vat.``validate`(number)

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