Get or find your BSN
A BSN is issued through registration; choose resident registration or the RNI route.
leiden
Who this is for
New residents, short-stay workers or students, and people who may already have a BSN.
gemeente.leiden.nlwww.rvig.nlgemeente.leiden.nlSteps
If staying over four months, register as a resident with the municipality where you live.
gemeente.leiden.nlFor a stay of four months or less, check RNI eligibility. Leiden accepts European passports; people without a European passport are directed to Breda or Venlo.
gemeente.leiden.nlwww.rvig.nlComplete the RNI pre-registration, keep the QR code and book an available appointment. Bring ID. If you already have a BSN, do not apply as a new RNI registration; ask the municipality which update is needed.
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Required documents
RNI: passport or identity card, not a driving licence, plus QR code. Under-16s attend with a parent and the required legalised birth document.
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Costs
RNI registration is free.
gemeente.leiden.nlTiming
Leiden issues the BSN at the completed RNI appointment; appointment availability is separate.
gemeente.leiden.nlGeneral practical information; the responsible authority or care provider decides your individual case.