Dutch citizen service number (BSN): nine digits, with leading zeros allowed since the legacy eight-digit numbers were padded. It is the exact same shape as the US bank routing number already in the registry, so it is only usable in a Dutch detector that excludes it.
Label: NL_BSN
(?<!\d)\d{9}(?!\d)BSN 999999990 op het formulier. → 999999990Burgerservicenummer 123456782 genoteerd. → 123456782BSN 12345678BSN 1234567890Tags: nl, government-id, identity