# stdnum.no.orgnr

Orgnr (Organisasjonsnummer, Norwegian organisation number).

The Organisasjonsnummer is a 9-digit number with a straightforward check mechanism.

    >>> validate('988 077 917')
    '988077917'
    >>> validate('988 077 918')
    Traceback (most recent call last):
        ...
    InvalidChecksum: ...
    >>> format('988077917')
    '988 077 917'

`stdnum.no.orgnr.``checksum`(number)

  Calculate the checksum.

`stdnum.no.orgnr.``compact`(number)

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

`stdnum.no.orgnr.``format`(number)

  Reformat the number to the standard presentation format.

`stdnum.no.orgnr.``is_valid`(number)

  Check if the number is a valid organisation number.

`stdnum.no.orgnr.``validate`(number)

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