Netherlands Value Added Tax Number
Detects Netherlands Value Added Tax Number patterns. This pattern is based on a Microsoft Purview built-in sensitive information type. VAT numbers have country-specific prefixes that aid detection accuracy.
- Type
- regex
- Engine
- universal
- Confidence
- high
- Confidence justification
- High confidence: the NL prefix followed by 9 digits, a B character, and 2 digits is a highly distinctive format for Dutch VAT numbers.
- Detection quality
- Verified
- Jurisdictions
- nl, eu
- Regulations
- GDPR
- Data categories
- financial, business-identifier
- Scope
- narrow
- Risk rating
- 5
- Platform compatibility
- Purview: Compatible, GCP DLP: Compatible, Macie: Compatible, Zscaler: Compatible, Palo Alto: Compatible, Netskope: Compatible
Pattern
\bNL\d{9}B\d{2}\bCorroborative evidence keywords
BTW, omzetbelasting, VAT, BTW-nummer, belasting, value added tax, VAT number, Mehrwertsteuer, TVA, Umsatzsteuer, VAT registration, numéro de TVA, Steuernummer, tax number, tax registration, taxe sur la valeur ajoutée, adószám, imposta sul valore aggiunto, intracommunautaire, IVA (+33 more)
Proximity: 300 characters
Should match
NL123456789B01— Standard Dutch VAT number with B suffixNL987654321B02— Dutch BTW number formatNL112233445B12— Netherlands VAT identification number
Should not match
NL123456789B0— Only 1 digit after B, too shortNL12345678B01— Only 8 digits before B, too short
Known false positives
- Other identifier schemes that coincidentally share a similar prefix and digit structure Mitigation: Validate the complete format including prefix and digit count. Layer with document context to confirm financial or tax-related content.
- Test or example VAT numbers used in documentation or training materials Mitigation: Maintain an allow-list of known test/example numbers. Use document classification to distinguish production data from training content.