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Essential FAQs for Filing Personal Income Tax in Portugal

27 May 2024
Vasco Apolinário Rodrigues
Diogo Pedro lawyer

Vasco Apolinário Rodrigues |  Lawyer

Understanding the complexities of tax submission can be challenging, especially for expatriates and new residents in Portugal. As we are approaching the deadline for submitting Personal Income Tax (PIT) returns at the end of June, it is fundamental to be well-informed about your tax obligations. To help you better comprehend these requirements, we have compiled a list of frequently asked questions about submitting your PIT return in Portugal. Our aim is to clarify key aspects of the PIT process, from understanding who needs to file a return to knowing the important deadlines and available deductions. Whether you are a resident or a non-resident with income in Portugal, this will provide you with the essential information needed to comply with Portuguese tax laws and avoid potential penalties.

What is the Personal Income Tax (PIT) in Portugal? 

The Personal Income Tax (PIT), known in Portuguese as "Imposto sobre o Rendimento das Pessoas Singulares," is levied on the global income of all tax residents in Portugal. It includes various categories such as employment income, self-employment income, investment income, rental income, capital gains, and pension income. The tax rates increase progressively with higher income levels.

Who is required to submit a Personal Income Tax Return in Portugal? 

Individuals who must submit a tax return include:


  • Tax residents in Portugal, who must report their worldwide income.
  • Non-residents who earn income in Portugal that is not subject to withholding tax at the applicable rates. Non-residents who only earn income in Portugal subject to withholding tax are not required to file a tax return.

When are the deadlines for submitting the PIT return? 

The PIT return for the previous fiscal year must be submitted between 1st April and 30th June of the following year. For instance, the tax return for the year 2023 must be filed by 30th June 2024.

Which information and documents are necessary for preparing my tax return?

You will need:


  • Your NIF - tax identification number and those of any household members.
  • Access to your Portal das Finanças account and passwords.
  • Supporting documentation for all income and deductible expenses.
  • Bank account details (IBAN and SWIFT code).

How does the Non-Habitual Resident (NHR) Regime affect taxation? 

The NHR Regime offers tax benefits such as a 20% flat rate on income from high-value activities, a 10% flat rate on pension income, and exemptions on certain types of investment income. Proper classification of income is important to benefit from this regime, and errors can result in missed tax advantages.

How can I submit my Personal Income Tax Return? 

The tax return is submitted online via the "Portal das Finanças" (the Portuguese online tax website). Taxpayers need to register on the portal and obtain an access password to file their return electronically.

What happens if I don't submit my tax return on time? 

If you miss the deadline, you will receive a registered letter from the Portuguese Tax Authority (AT) asking you to submit the return within 30 days. Failing to do so will result in the AT assessing your tax situation using available information and issuing an assessment notice. Penalties for late submission vary based on the delay but are generally reduced if the return is filed within 30 days after the deadline.

What types of expenses can be deducted from my taxable income?

Tax-deductible expenses include costs related to health, education, property, housing, general family expenses, and VAT paid in specific sectors. To claim these deductions, ensure your tax number is included on all relevant invoices and validate these invoices on the e-fatura website by 25th February.

What is joint taxation and who can benefit from it? 

Married couples or those in non-marital partnerships can opt for joint taxation, which involves filing a single tax return that includes all household members' income. This choice is made annually and is not permanent.

When is the deadline for paying the due tax?

Any tax due after submitting and validating your return must be paid by 31st August of the same year.

What steps should I take if I realise I've made an error after submitting my tax return?

If you find an error before the submission deadline, you can file a replacement return through the Portal das Finanças. If the deadline has already passed, the option to submit a substitute return will be evaluated on a case-by-case basis.

What is the best way to check the status of my tax return?

You can monitor the status of your tax return on the Portal das Finanças by navigating to the "Tax Services" section and selecting the "Consult Declaration" option.

When should I anticipate receiving my PIT refund?

Refunds are usually processed within 3 to 6 weeks after submitting your tax return, depending on the return's complexity.

Why is it important to seek advice when submitting a tax return?

Filing your tax return correctly ensures you are taxed appropriately based on your true income. Professional advice can help navigate complexities, avoid penalties, and maximise available benefits, especially under the NHR Regime.


In conclusion, accurately submitting your Personal Income Tax return is crucial for ensuring compliance with Portuguese tax regulations and maximising your potential deductions and benefits. The process can be complex, and even small errors can lead to significant issues. If you have any questions or need professional assistance with your tax return, our experienced team is here to help. Don’t hesitate to reach out to us for personalised support and ensure your tax return is filed correctly and on time. 

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