Applying for a Taxpayer Identification Number for a natural person

The taxpayer identification number (TIN) is a form of personal identification that is essential for purchasing goods or services, entering into contracts, opening bank accounts, etc. 

Portuguese nationals with a valid Citizen’s Card already have a TIN allocated to them. 

If you are not in the aforementioned category, find out how to apply for a TIN.

Warning

It is recommended to pre-schedule for in-person service, through the Siga scheduling portal and the Siga app (Android/IOS) or by phone.

Request Online
  • Through the tax representative of the person applying for the TIN
  • Free
Request On Location
  • The NIF is assigned at the time of the request, by means of an oral statement
  • Free
  • At any time, during the opening hours of the counters

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Who can Applying for a Taxpayer Identification Number for a natural person?

  • All Portuguese nationals or foreign nationals, resident or non-resident in Portugal, who have to comply with tax obligations (payment of taxes) or wish to exercise their rights before the Portuguese tax administration.

    Note: the Taxpayer’s Card has been replaced by the Citizen’s Card (for nationals and Brazilian citizens covered under the ‘Porto Seguro’ Agreement).
     

When can you Applying for a Taxpayer Identification Number for a natural person?

You can request the Tax Identification Number (NIF) at any time.

If you already have the NIF assigned and there is a situation of loss, loss, theft, deterioration or need for renewal of the Taxpayer Card, learn how to request a 2nd copy of the card.

What are the documents and requirements to Applying for a Taxpayer Identification Number for a natural person?

  • If you are a Portuguese national

    • For children under the age of 10 without a Citizen’s Card, a birth certificate or equivalent document must be produced.
  • If you are a citizen of another EU country

    • To be considered a resident for tax purposes, you will need to produce:

    a civil identity document or a passport or a certificate of registration as a European Union citizen, issued by the municipality of the area of residence.

    • To be considered a non-resident for tax purposes, you will need to produce:

    a civil identity document or a passport.

    • For foreign minors without a passport, the following must be produced:

    proof of birth.
     

  • If you are a national of a third country

    • To be considered a resident for tax purposes, you will need to produce:

    an identity document or a passport and residence permit.

    • To be considered a non-resident for tax purposes, you will need to produce:

    an identity document or a passport, and you must appoint a tax representative (natural or legal person) resident in Portugal.

    • For foreign minors without a passport, the following must be produced:

    proof of birth.

    Note: if you are a third-country national and you are producing your passport, you will also need to produce your entry visa for Portugal or the Schengen area.
     

What is the Price to Applying for a Taxpayer Identification Number for a natural person?

It is free.

How can you Applying for a Taxpayer Identification Number for a natural person?

The TIN is allocated to persons with Portuguese nationality when they apply for a Citizen’s Card. 

Other EU citizens and third-country nationals can request a TIN by submitting the requested documents:

  • at the Tax Office, by booking a face-to-face appointment.
  • at the e-counter of the Tax Office, through the tax representative of the person applying for the TIN, if you have residence in a third country or in the following European Economic Area countries: Norway, Iceland, and Liechtenstein.

Note: The designation of the representative can be made by the citizen himself, with the representative's acceptance, or by a proxy, also with the representative's acceptance.

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