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Validate Netherlands TIN (BSN)

Free online Burgerservicenummer validator. Instant validation using OECD-compliant rules for Netherlands tax identification numbers.

Validation Workspace

Validate BSN

Enterprise checks for Netherlands tax identification numbers.

Instant one-by-one format validation

Country

Netherlands

Document

BSN format check

Enter a BSN to validate for Netherlands

Awaiting input

Paste values with or without separators. Validation also checks a normalized value.

Use a real BSN sample to verify format compliance before filing.

About Netherlands TIN (BSN)

The Burgerservicenummer is the official tax identification number used in Netherlands. Format: 9 digits with mod-11 checksum (11-proof)

Valid Examples

  • 123456782
  • 987654321

Invalid Examples

  • 123456789 (Failed 11-proof)
  • 12345678 (Too short)

Common Use Cases

  • Tax filing
  • Healthcare
  • Social security
  • Government services

Official source: Belastingdienst

Frequently Asked Questions

What is a BSN?
The Burgerservicenummer (BSN) is a 9-digit citizen service number used for identification in the Netherlands. It's required for tax, healthcare, and government interactions.
How is the BSN validated?
BSN uses the 11-proof (elfproef) check. Each digit is multiplied by its position (9, 8, 7... 2, -1), and the sum must be divisible by 11.

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