Two documents underpin almost everything in Spanish bureaucracy: the NIE (your foreigner identity number) and the empadronamiento (registration on your town's census). Get these right and the rest goes far more smoothly.
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- NIE — a unique number that identifies you to the Spanish state for taxes, contracts, banking and residency. It's a number, not a residence permit.
- Empadronamiento (padrón) — registering your home address with your ayuntamiento (town hall). It proves where and since when you live in Spain.
How to get your NIE
Apply on form EX-15, pay the small fee (Modelo 790 Código 012), and present it — at a Spanish consulate abroad, or in Spain via the Oficina de Extranjería / police station (often needing a cita previa). If you're applying for residence, the NIE is usually assigned as part of that process.
How to get empadronado
Go to your ayuntamiento (many now offer online booking) with your passport and proof of address (rental contract, deeds, or sometimes a utility bill). They issue a certificado de empadronamiento. Registration is free.
Why the padrón histórico is gold
For Arraigo and Withdrawal Agreement applications, the padrón histórico — showing your registration date — is often the single most important piece of evidence of how long you've lived in Spain.
If you're heading toward Arraigo Social or the Withdrawal Agreement, request the historical version, not just the current certificate.
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