Articles & News

Deadline to dispute IRS expenses ends March 31

Taxpayers have until March 31 to verify and dispute the value of general family expenses and VAT invoice deductions on the Tax Authority portal.

New IRS rules: what changes and what to do before filing

April marks the start of IRS filing season. Learn the key changes for 2026, what to check before submitting, and how to avoid refund surprises.

IRS 2025: The Tax Deductions Page Is Now Online - Check It Before It's Too Late

The full tax deductions page is now available on the Finance Portal. You have 15 days to confirm everything is correct before filing your IRS from April 1.

IRS: I Didn't Validate My Invoices. Now What?

The deadline to validate invoices has passed. Find out what you can still do and how to minimize the impact on your tax return.

IRS 2025 Simulator: How to Calculate Tax on 2025 Income

Complete guide on how IRS tax calculation works in Portugal: 2025 brackets, tax deductions, effective rate and how to use the simulator to estimate your refund or payment.