IRS Automático (Automatic IRS Tax Return)
The Automatic IRS is a pre-filled tax return by the Tax Authority that can be confirmed with one click. Available for taxpayers with simple income.
What you need before you start
- NIF and Portal das Finanças password or Chave Móvel Digital
- Income exclusively from employment (category A) and/or pensions (category H)
- Invoices validated on e-Fatura by the deadline
- No income from other categories (rent, capital gains, etc.)
Step by step
Go to Portal das Finanças and authenticate
Click 'IRS' → 'Declaração Automática de Rendimentos' (Automatic Income Return)
Check if your data is covered by the Automatic IRS
Review the income, deductions and tax calculation presented
If married/cohabiting, compare joint vs separate filing simulation
If the data is correct, click 'Confirmar Declaração' (Confirm Return)
The return is submitted automatically — save the confirmation receipt
If not confirmed by the deadline, the Tax Authority (AT) submits the most favourable version automatically
Tip: If in doubt, always contact the official service directly.
Ready to get started?
Go to IRS Automático (Automatic IRS Tax Return)