Useful links

Official resources of the Portuguese tax authority.

Portal das Finanças

Official AT portal — filing declaration, e-Fatura

https://www.portaldasfinancas.gov.pt

e-Fatura

Check and add expenses

https://efatura.portaldasfinancas.gov.pt

CIRS

Portuguese tax code

https://info.portaldasfinancas.gov.pt/pt/informacao_fiscal/codigos_tributarios/cirs_rep/

Diário da República

Official gazette — laws and budgets

https://dre.pt

Segurança Social

Information on SS contributions

https://www.seg-social.pt

IRS Clarity is not an official AT resource. For filing use Portal das Finanças.