NL · NLD
Netherlands
Official and reviewed ID format references, with permanently masked examples for copy and QA. This site does not validate identity IDs.
Professional reference format
Burgerservicenummer
BSN
Regex
^\d{9}$7083729*8
Regex and masked examples are reference only. This page does not validate identity IDs.
Data provenance
Sources
Data snapshot: 2026-08-14