NIF Portugal — Tax Number for Foreign Property Buyers

What is a NIF?

The NIF (Número de Identificação Fiscal) is the Portuguese tax identification number, the equivalent of a UK UTR, a US SSN/ITIN, or a Spanish NIE for tax purposes. It is issued by Autoridade Tributária (Finanças) and is used for every tax-relevant transaction in Portugal.

Without a NIF, you cannot:

• Buy property.
• Sign a CPCV or escritura.
• Pay IMT or IMI.
• Open a Portuguese bank account at most banks.
• Enter most utility, telecom, or service contracts.

Why a property buyer needs a NIF

For a property purchase the NIF appears in:

• The CPCV and the escritura — both must identify each party by NIF.
• The IMT and stamp duty payment guides.
• The bank account through which the price is paid.
• The new ownership registration at the Conservatória do Registo Predial.
• The Caderneta Predial update with Finanças for future IMI billing.

For ongoing ownership, the NIF is the address Finanças uses for IMI bills, AIMI assessments, and any other tax correspondence.

How to obtain a NIF as a non-resident

Three routes are common for foreign buyers:

1. In person at any Finanças office in Portugal. Cheapest. Requires a Portuguese visit, passport, proof of address abroad, and — for non-EU/EEA — a fiscal representative.
2. Via a Portuguese lawyer or accountant by POA. Most common for remote applicants. You sign a POA empowering the lawyer to apply, and the lawyer obtains the NIF on your behalf.
3. Via a NIF service provider. Several specialist services obtain NIFs for non-residents for a fixed fee. Quality varies — verify the provider also offers ongoing fiscal representation.

Documents required for a non-resident NIF application

• Valid passport (or EU national ID card for EU residents).
• Proof of address in your country of residence — utility bill, bank statement, certificate of residence. Issued within the last 3 months and translated into Portuguese.
• If applying via POA — original POA, apostilled, translated.
• If non-EU/EEA — designation of a Portuguese fiscal representative who has accepted the role.

Fiscal representative — when required and what they do

A fiscal representative (representante fiscal) is a Portuguese-resident individual or company designated to receive Finanças correspondence on behalf of a non-resident taxpayer.

Required for non-EU/EEA residents (with limited exceptions). The requirement for EU/EEA residents has been softened by recent reforms — in many cases EU residents can now obtain a NIF without a fiscal representative — but appointment is still recommended in practice as the only reliable mechanism for receiving Finanças correspondence.

The fiscal representative's duties:

• Receive Finanças correspondence — IMI bills, AIMI assessments, formal notifications.
• Forward correspondence to the taxpayer.
• Where instructed, file declarations and respond to Finanças on the taxpayer's behalf.

Typical fiscal representative fees are EUR 150–400 per year. The role can be performed by your Portuguese lawyer, your accountant, or a specialist service.

Cost and timeline of obtaining a NIF

Ongoing fiscal representative fees: EUR 150 – 400 per year.