How to Get and Reset Your Portal das Finanças Password

Portal das Finanças is the online tax portal that lets you manage your tax affairs in Portugal, from your Domicílio Fiscal to your Notificações and Liquidação documents. To log in you need your NIF and an access password, and that password does not arrive by email. It comes by post. Here is how the whole process works.

How to request your access password

If you already have a NIF but no portal login, go to the portal and choose Registar-se, then complete the Registo NIF form with your details. Once you submit it, your access password (senha) is generated and sent to you. It is posted by CTT, the Portuguese postal service, to the fiscal address registered against your NIF. The portal never sends this password by email or SMS, so do not wait for one to land in your inbox.

If you do not have a NIF yet, you can get your Portuguese NIF online first and then register for portal access. If you are unsure whether you need one at all, our explainer on what a NIF is and why you need one covers the basics.

How long the password takes to arrive

The official timeframe is about 5 working days (5 dias úteis). In practice it often takes around 2 weeks, and it can take longer for non-residents because of international post. Plan for a wait rather than a same-day delivery.

One detail matters for people living abroad. If you are a non-resident based outside the EU or EEA, your password is not posted to you directly. It goes to your fiscal representative's address in Portugal instead, so you will need to collect it from them.

Make sure your address is correct first

Because the letter goes to your registered fiscal address, an out-of-date address means a lost password. Before requesting access, check that your Domicílio Fiscal is current. Our guide on updating your NIF address on Portal das Finanças walks through how to change it. It is also worth confirming your email on Portal das Finanças so you receive notifications even though the password itself comes by post.

How to reset or change your password

If you are logged in and simply want a new password, search "dados de acesso" inside the portal and open Alterar Dados de Acesso. Tick Alterar Senha and set your new password. The rules require at least 8 characters with 1 number, 1 uppercase letter, 1 lowercase letter, and 1 special character.

Since January 2025, a temporary password must be changed before you can use other sections of the portal, so expect to set your own password on first login. Two-step authentication is now available too, which adds a second layer of security for Cidadãos managing sensitive tax and Atividade records.

If you have lost the password and cannot log in at all, you request a new one through the same registration route. As before, it is sent again by post, so the same waiting time applies.

Quick answers

Can I get the password by email? No. It is always posted to your fiscal address.

How long does it take? Officially about 5 working days, often closer to 2 weeks, and longer for non-residents.

What if I lost it? Request a new one, which is posted again.

Whether you are setting up access for the first time or starting over after a lost letter, the foundation is a valid NIF tied to a correct address. Get your Portuguese NIF online today and start managing your taxes the right way.