Log in to the Finance Portal using your NIF number and password. Search for "Prestações" (installments) and select "Planos prestacionais" (installment plan). Choose "Simular/Registar Pedido" (simulate/make request) and select the IRS assessment you wish to pay in installments. Then click "Simular". Choose the condition "Sem apresentação de garantia" (without presenting collateral) and click "Confirmar" (confirm). Select the number of installments.Under "Razão Económica" (economic reason), state the reason for the request. In the field "Justificação do motivo indicado anteriormente" (justification for the reason indicated above), provide a brief explanation in Portuguese. 

Finally, click "Registar o pedido" (submit the request). If your debt exceeds €5,000 but can still be paid within 12 months, no collateral is required. Alternatively, you can make partial payments to reduce the debt to €5,000 and then proceed with the installment plan, which can extend up to 36 months.


If you can't adhere to these terms, and need an extended time to pay, you must present collateral along with your installment plan request. This collateral can be in the form of a bank guarantee, real estate, mortgage, or shares:
a)bank guarantee or guarantee from an institution legally authorized to provide it.

b) Surety bond or collateral issued by legally authorized insurance institutions

c) Mortgage. The guarantee should be provided for the amount of the debt and default interest, counting up to the date of the application, plus 25% of the sum of those amounts.


To proceed with this request, follow the same steps in the Portal. After selecting "Simular/Registar Pedido," indicate the type of collateral you intend to present, and then specify the number of installments.


After submitting the request, send a copy of the collateral to the Tax Office through e-balcão. You have 15 days to provide the original guarantee document to the Tax Office where you are registered.


To find out your competent Tax Office, log in to your Finances Portal, select the "Posição Integrada" (integrated position) option under My Area, and click "Dados Gerais de Identificação" (General Identification Data). There, you will find your competent Finance Service code.


Lastly, note that even if your debt is under €5,000 and no collateral is required, your request will be accepted only if you've met two additional requirements: timely submission of the declaration and absence of any other tax debt with the Portuguese Tax Authority.

Frequently Asked Questions

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How can I request an IRS installment plan in Portugal?
Log in to the Finance Portal with your NIF and password, search for 'Prestações,' select 'Planos prestacionais,' and follow the steps to submit your request.
What is the maximum IRS debt amount for requesting an installment plan without collateral?
You can request an installment plan without collateral if your IRS debt is under €5,000.
What should I do if my IRS debt exceeds €5,000 and I need an installment plan?
You can either reduce your debt to €5,000 through partial payments or provide collateral to request an installment plan.
What types of collateral are accepted for IRS installment plans in Portugal?
Accepted collateral includes a bank guarantee, surety bond, mortgage, or shares.
What are the additional requirements for an IRS installment plan request under €5,000?
You must have submitted your declaration on time and have no other tax debts with the Portuguese Tax Authority.