# stdnum.is_.vsk

VSK number (Virðisaukaskattsnúmer, Icelandic VAT number).

The Icelandic VAT number is five or six digits.

    >>> validate('IS 00621')
    '00621'
    >>> validate('IS 0062199')
    Traceback (most recent call last):
        ...
    InvalidLength: ...

`stdnum.is_.vsk.``compact`(number)

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

`stdnum.is_.vsk.``is_valid`(number)

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

`stdnum.is_.vsk.``validate`(number)

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