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IRS

Tax forms, a folder and a calculator laid out on a desk

Becoming a Tax Resident in Portugal in 2026 — A Practical Guide to the 183-Day Rule, the Tax Domicile (Domicílio Fiscal), Double-Tax Treaty Tie-Breakers and the Tax Residency Certificate (Certificado de Residência Fiscal)

How you actually become a tax resident of Portugal: the 183-day rule, the habitual-home test, part-year residency, why domicílio fiscal is not the same thing, double-tax-treaty tie-breakers and how to get a certificado de residência fiscal.
The Portugal Brief
Keys resting beside a small model house — illustration of the keys-handover stage of a Portuguese residential lease, the moment at which the caução and Imposto do Selo clear and the property

Signing a Rental Lease in Portugal in 2026 — A Practical Guide to the NRAU, the Caução, the Fiador, the Imposto do Selo, the Recibo de Renda Eletrónico and the INE Annual Rent-Update Coefficient

Practical 2026 guide to signing a residential lease in Portugal — the NRAU rulebook, caução and fiador conventions, 10% Imposto do Selo, the AT lease registration, the recibo de renda eletrónico, the €502 IRS rental deduction cap and the INE annual rent-update coefficient.
The Portugal Brief
Sarmento Tethers the 2027 IRS-Cut Decision to the Próximos-Meses Macro and Public-Accounts Read at the DN Annual Conference — €40,000 Marginal-Rate Compression and the 2028 Derrama-Estadual Carve-Out on the Forward Calendar

Sarmento Tethers the 2027 IRS-Cut Decision to the Próximos-Meses Macro and Public-Accounts Read at the DN Annual Conference — €40,000 Marginal-Rate Compression and the 2028 Derrama-Estadual Carve-Out on the Forward Calendar

Finance Minister Joaquim Miranda Sarmento told the DN annual conference on 15 June 2026 that the 2027 IRS-cut decision will depend on the próximos-meses macro and public-accounts read, with the €40,000 marginal-rate compression and the 2028 derrama-estadual carve-out on the calendar.
The Portugal Brief
Triggering the Programa Regressar (Returning Resident Programme) in Portugal in 2026 — A Practical Guide to the Article 12.º-A CIRS 50% IRS Reduction, the €250,000 Income Ceiling, the Five-Year Non-Residency Window and the IEFP Relocation-Aid Pillar

Triggering the Programa Regressar (Returning Resident Programme) in Portugal in 2026 — A Practical Guide to the Article 12.º-A CIRS 50% IRS Reduction, the €250,000 Income Ceiling, the Five-Year Non-Residency Window and the IEFP Relocation-Aid Pillar

The Programa Regressar (Returning Resident Programme) is the umbrella label Portuguese authorities use for the package of fiscal and non-fiscal supports made available to former Portuguese residents — both Portuguese citizens who emigrated and any...
The Portugal Brief
Activating IRS Jovem (Young-Worker Income-Tax Relief) in Portugal in 2026 — A Practical Guide to the 35-Year Age Cap, the 100/75/50/25% Decade-Long Exemption Ladder, the €29,542.15 Annual Ceiling and the New Automatic-IRS Pathway

Activating IRS Jovem (Young-Worker Income-Tax Relief) in Portugal in 2026 — A Practical Guide to the 35-Year Age Cap, the 100/75/50/25% Decade-Long Exemption Ladder, the €29,542.15 Annual Ceiling and the New Automatic-IRS Pathway

This is a step-by-step practical guide to activating IRS Jovem (Imposto sobre o Rendimento das Pessoas Singulares Jovem — Young-Worker Income-Tax Relief) in Portugal for the 2026 IRS filing season, which runs from 1 April to 30 June 2026 and applies...
The Portugal Brief