stdnum.ch.ssn

Swiss social security number (“Sozialversicherungsnummer”).

Also known as “Neue AHV Nummer”. The Swiss Sozialversicherungsnummer is used to identify individuals for taxation and pension purposes.

The number is validated using EAN-13, though dashes are substituted for dots.

More information:

• https://en.wikipedia.org/wiki/National_identification_number#Switzerland

• https://de.wikipedia.org/wiki/Sozialversicherungsnummer#Versichertennummer

>>> validate('7569217076985')
'7569217076985'
>>> validate('756.9217.0769.85')
'7569217076985'
>>> validate('756.9217.0769.84')
Traceback (most recent call last):
    ...
InvalidChecksum: ...
>>> validate('123.4567.8910.19')
Traceback (most recent call last):
    ...
InvalidComponent: ...
>>> format('7569217076985')
'756.9217.0769.85'

stdnum.ch.ssn.compact(number: str) → str

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

stdnum.ch.ssn.format(number: str) → str

Reformat the number to the standard presentation format.

stdnum.ch.ssn.is_valid(number: str) → bool

Check if the number is a valid Swiss Sozialversicherungsnummer.

stdnum.ch.ssn.validate(number: str) → str

Check if the number is a valid Swiss Sozialversicherungsnummer.