§ VAT FORMAT — NL
Netherlands VAT number format
Prefix NL · 9 digits + B + 2-digit branch number
§ PATTERN
9 digits + B + 2-digit branch number
^NL\d{9}B\d{2}$§ EXAMPLES
- NL123456789B01
Synthetic examples — do not represent real registered businesses.
§ NOTES
- 01
The trailing B + branch suffix identifies the legal entity branch.
- 02
Most businesses use B01.
- 03
Belastingdienst issues the BTW-id format for invoicing.
§ VALIDATION SOURCE
VIES
EU numbers are validated against the European Commission VIES service. Countersure VIES integration is on the immediate roadmap.