If you choose direct debit,

The IBAN of the account you want to use for payment must be domiciled with a bank located in a country of the Single Euro Payment Area(SEPA). SEPA countries are: The Member States of the European Union, Andorra, Iceland, Liechtenstein, Monaco, Norway, San Marino, Switzerland and the Vatican City State.

If your bank account is not Portuguese, the ownership must be confirmed in advance by Tax Administration. In order to do this, you must provide a proof issued by your Banking Entity that confirms the ownership of the account. The proof must be sent by e-mail directly from your Bank to the e-mail dsrc-dga@at.gov.pt. You may also send the proof through the e-balcão by choosing the following options:
Imposto: Registo Contribuinte Tipo de questão: Atividade Questão: NIB/ IBAN or by por via postal para: DSRC - Av. João XXI, n.º 76 – 6.º andar, 1049-065 Lisboa.

To sign up for the direct debit please read this leaflet  

Direct debit payment does not incur any costs as opposed to the international bank transfer.

Note: To pay a given amount by direct debit, whose deadline expires in a specified month or on the first working day of the following month, you must have completed the sign up process before the 15th of that month (or on day 10 in the case of instalment payments). The accession procedure is recommended to be initiated 5 working days before the deadline referred to above.

If you go for bank transfer,

Please provide your bank with the information set out below so that the bank, when carrying out the transfer, could send such information to Tax Administration, as it is essential for the identification of the payment:
• NIF: 600 084 779
• Name of the creditor: Autoridade Tributária e Aduaneira
• Bank account number: 83 69 27
• IBAN: PT50 0781 0019 00000008369 27
• Bank name: Agência de Gestão da Tesouraria e da Dívida Pública – IGCP, E.P.E.
• Swift code: IGCPPTPL
• Your tax identification number — NIF — contained in the payment document
• And the reference for payment: Each reference corresponds to a specific number for payment, which is set out in the document.

Payments MB Way
It is possible to make payments by MB Way using a mobile phone with a subscription to a foreign communications operator, provided that the mobile phone number in question is associated with the bank card of the account where the payment debit will be made, and that the account is domiciled in a Portuguese bank. 

Please note:
• You must make a bank transfer for each payment document.
The payment is recommended to be made at least 2 working days before the deadline.

FOR FURTHER INFORMATION:

Here are other information leaflets available in English, in Apoio ao Contribuinte/Portal das Finanças and sign up here.

• Contact Centro de Atendimento Telefónico (CAT), through the number:
+351 217 206 707, every working day from 9H00 to 19H00;
• Contact the electronic service e-balcão on Portal das Finanças