Netherlands Tax ID Numbers
For Individuals, Example: 9234.56.788
The Burgerservicenummer (BSN) is 9 digits in the format NNNN.NN.NNN. Leading zeroes are commonly omitted. The last digit is a check digit. It is issued to each Dutch citizen.
For Entities, VAT, Example: NL4495445B01
The Omzetbelastingnummer (BTW) is 10 to 12 characters with an optional prefix of NL. It is used for identifying parties in a transaction in which VAT is due. The BTW includes either a RSIN or BSN. It uses a checksum algorithm for accuracy.
Format Guide: N = Number; A = Letter; X = Number or Letter
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