Norway Tax ID Numbers
For Individuals, Example: 151086 95088
The Fodselsnummer is 11 digits in the format NNNNNN NNNNN. The date of birth of the individual is encoded into the number, followed by a serial number and two check digits.
For Entities, Example: 123 456 785
The Organisasjonsnummer is 9 digits in the format NNN NNN NNN where the last digit is a checksum.
For VAT, Example: 923 456 783 MVA
The Merverdiavgift is 12 characters in the format NNN NNN NNN AAA. The first 9 digits are an Organisasjonsnummer, which is followed by the letters MVA. It may have an optional prefix of NO.
Format Guide: N = Number; A = Letter; X = Number or Letter
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