stdnum.at.uid¶
UID (Umsatzsteuer-Identifikationsnummer, Austrian VAT number).
The Austrian UID is a 9-digit number that starts with a U (optionally preceded with AT). The last digit is a check digit.
>>> validate('AT U13585627')
'U13585627'
>>> calc_check_digit('U1358562')
'7'
>>> validate('U13585626') # incorrect check digit
Traceback (most recent call last):
...
InvalidChecksum: ...
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stdnum.at.uid.
calc_check_digit
(number)¶ Calculate the check digit. The number passed should not have the check digit included.
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stdnum.at.uid.
compact
(number)¶ Convert the number to the minimal representation. This strips the number of any valid separators and removes surrounding whitespace.
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stdnum.at.uid.
is_valid
(number)¶ Check if the number is a valid VAT number.
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stdnum.at.uid.
validate
(number)¶ Check if the number is a valid VAT number. This checks the length, formatting and check digit.