VAT (Maltese VAT number).
The Maltese VAT registration number contains 8 digits and uses a simple weigted checksum.
>>> validate('MT 1167-9112')
'11679112'
>>> validate('1167-9113') # invalid check digits
Traceback (most recent call last):
...
InvalidChecksum: ...
Traceback (most recent call last):
...
InvalidChecksum: ...
Calculate the checksum.
Convert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.
Checks to see if the number provided is a valid VAT number. This checks the length, formatting and check digit.
Checks to see if the number provided is a valid VAT number. This checks the length, formatting and check digit.