Latest news and stories about tax deadlines in government in Portugal for expats and residents.
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Tax returns and payments to the Tax Authority that must be made by individual taxpayers and companies headquartered in the municipalities affected by depression Kristin may be fulfilled without penalties until 30 April, provided the original deadline falls between 28 January and 31 March. The extension of deadlines also covers ...
Analytical guide to February tax and reporting deadlines for businesses and households in Portugal, compiled by EContas. The piece maps key obligations to the Tax and Customs Authority (AT) and Social Security — notably the Day 2 submission of Corporate Income Tax (IRC) and Personal Income Tax (IRS) model declarations — and flags other relevant liabilities such as IUC (vehicle tax) and AIMI (additional municipal property tax).
The Tax Authority has already published the deadlines for 2026. One of the first steps in preparing to submit your income tax return concerns notifying the tax authorities of your household. Magda Moura Canas, spokesperson for Deco Proteste, explains everything you need to do.
EContas outlines the key tax and reporting obligations due in January so businesses and households stay compliant with the Tax and Customs Authority (AT) and Social Security (SS). Important January items include the Day 9 electronic communications for IRS (personal income tax), IRC (corporation tax) and VAT, SAF‑T invoicing requirements, VAT returns and payments, and related Social Security filings — all with strict deadlines and penalties for late or incorrect submissions. Use the EContas checklist to prioritise filings, confirm filing channels (electronic transmission), and avoid sanctions.