SE-R-013fatal

How to fix SE-R-013

The last digit of a Swedish organization number must be valid according to the Luhn algorithm.

What this rule checks

Swedish organisation numbers use a Luhn check digit as the last digit. This rule validates the mathematical correctness of the organisation number to catch typos and invalid numbers.

How to fix it

Verify the organisation number's check digit using the Luhn algorithm. Correct any transcription errors in the 10-digit organisation number.

Related rules

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