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Questions

Short answers to questions the how-to pages do not open with. Each answer links the guide page that has the steps.

Digital identity

Cl@ve, BakQ, certificates and the apps you use to sign in. The steps are in Part B.

  1. What is Cl@ve?

    Cl@ve is Spain's shared electronic ID for public services: a user and a password, plus PIN, Permanente and Móvil.

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  2. Which digital ID should I get first?

    The next office decides it: Import@ss names Cl@ve or a certificate; Bizkaia and Álava name Bak, BakQ and certificates.

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  3. What is the difference between Cl@ve PIN, Cl@ve Permanente and Cl@ve Móvil?

    PIN is a short-lived code, Permanente is a password on your DNI or NIE, and Móvil confirms a request in the app.

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  4. What is Import@ss?

    Import@ss is the Social Security portal and app for procedures such as the self-employed alta and asking for a NUSS.

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Social Security

The Social Security number, the monthly fee and the self-employed scheme. The steps are in Part C.

  1. What is a NUSS?

    The NUSS is the number Social Security uses to identify you. Import@ss also calls it the NAF. Asking for it is not the autónomo alta.

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  2. Are NUSS, NSS and NAF the same number?

    Import@ss says the NUSS is also called the NAF. The pages checked do not describe NSS as a third number.

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  3. What is modelo TA.1?

    Modelo TA.1 is Social Security's form for affiliation, a Social Security number, or a change of data. It is not the autónomo alta.

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  4. What is modelo TA.0521?

    TA.0521 is not on Social Security's current worker-forms list. The self-employed alta is the Import@ss service Alta en trabajo autónomo.

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Residence

The NIE, the TIE and the right to work. The steps are in Part A. This is not legal advice.

  1. What is a NIE?

    The NIE is the personal, unique foreigner's identity number assigned by the police. It is the number, not the TIE card.

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  2. What is a TIE?

    The TIE is the card that identifies a foreigner in order to prove their legal situation in Spain. The number on it is the NIE.

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