# stdnum.be.vat

BTW, TVA, NWSt, ondernemingsnummer (Belgian enterprise number).

The enterprise number (ondernemingsnummer) is a unique identifier of companies within the Belgian administrative services. It was previously the VAT ID number. The number consists of 10 digits.

    >>> compact('BE403019261')
    '0403019261'
    >>> compact('(0)403019261')
    '0403019261'
    >>> validate('BE 428759497')
    '0428759497'
    >>> validate('BE431150351')
    Traceback (most recent call last):
        ...
    InvalidChecksum: ...

`stdnum.be.vat.``checksum`(number)

  Calculate the checksum.

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

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

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

  Check if the number is a valid VAT number.

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

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