Appointing a Representante Fiscal (Tax Representative) in Portugal in 2026 — A Practical Guide to the 15-Day Window, the Non-EU Resident Rule, the Portal das Finanças Confirmation Flow and When Electronic Notifications Replace the Designation
Non-EU residents (US, UK, Brazil) with a Portuguese tax relationship — real estate, vehicle, employment, self-employed activity — must appoint a Representante Fiscal or adhere to electronic notifications inside 15 days. EU/EEA/Swiss residents went optional under Lei 7/2021. Penalty €75-€7,500.