# stdnum.rs.pib

PIB (Poreski Identifikacioni Broj, Serbian tax identification number).

The Serbian tax identification number consists of 9 digits where the last digit is a check digit.

    >>> validate('101134702')
    '101134702'
    >>> validate('101134703')
    Traceback (most recent call last):
        ...
    InvalidChecksum: ...

stdnum.rs.pib.compact(number: str) → str

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

stdnum.rs.pib.is_valid(number: str) → bool

  Check if the number is a valid VAT number.

stdnum.rs.pib.validate(number: str) → str

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