How to Pay IRS in Installments (Portal das Finanças guide)

If your IRS payment is more than you’d like to handle at once, the Portuguese Tax Authority (Autoridade Tributária e Aduaneira) allows you to split it into installments directly through the Portal das Finanças. This can be a lifesaver for freelancers and self-employed workers who need more time to manage their tax obligations.

Here’s a complete step-by-step guide on how to set up an IRS payment plan.

Step 1: Access the Planos Prestacionais

First, you need to navigate to the payment plan section:

  1. Log in to the Portal das Finanças
  2. In the search bar or menu, look for “Planos Prestacionais”
  3. Click on this option to access the installment payment system

Planos Prestacionais is the Portuguese Tax Authority’s official system for managing installment payment requests.

Step 2: Start a New Request

Once you’re in the Planos Prestacionais section:

  1. Look for the section labeled “Simular/Registar Pedido” (Simulate/Register Request)
  2. Click the REGISTO button to start a new installment payment request

This will allow you to create a new payment plan for your outstanding tax obligations.

Step 3: Choose Your Payment

The system will display all your outstanding tax obligations:

  1. Find your IRS payment in the list of debts
  2. Click SIMULAR next to the IRS payment you want to pay in installments

This simulation feature lets you preview different installment scenarios before committing to a payment plan.

Step 4: Select the Number of Installments

Now you’ll configure your payment plan:

  1. Enter your preferred “Número de Prestações” (Number of Installments)
  2. The system will show you how the payment plan works based on your choice

Important: The 12-Installment Threshold

The number of installments you choose affects the requirements:

Up to 12 Installments
  • No additional requirements
  • The system immediately shows the monthly breakdown
  • Most straightforward option for most freelancers
More Than 12 Installments
  • Requires a Garantia (Guarantee)
  • You must select a guarantee type such as:
    • Bank guarantee (Garantia bancária)
    • Mortgage (Hipoteca)
    • Insurance bond (Seguro-caução)
    • Other acceptable forms of collateral

For most freelancers, staying within 12 installments is the simplest option as it avoids the need for additional guarantees.

Step 5: Confirm Your Request

Once you’re satisfied with the payment plan:

  1. Review all the details carefully:
    • Total amount
    • Number of installments
    • Monthly payment amount
    • Due dates
  2. Click REGISTAR PEDIDO to officially submit your request
  3. The system will process your request and confirm your payment plan

You should receive a confirmation that your installment plan has been approved and activated.

Step 6: Track and Pay on Time

After your plan is approved:

  1. Go to “Pagamentos a Decorrer” (Ongoing Payments) in the Portal das Finanças
  2. Here you can view:
    • All your active installment obligations
    • Due dates for each installment
    • Payment amounts
  3. Make sure each installment is paid before the deadline

⚠️ Critical: Missing even one installment payment can invalidate your entire payment plan, making the full remaining balance due immediately.

Important Timing Requirements

Application Deadline

Payment plan requests must typically be submitted within 15 days after the voluntary payment deadline shown on your IRS notice.

For example:

  • If your IRS payment deadline is August 31st
  • You have until approximately September 15th to request an installment plan

Pro tip: Don’t wait until the last minute. Submit your request as soon as you know you’ll need a payment plan.

What Happens If You Miss the Deadline?

If you miss the 15-day window:

  • You may still be able to request a payment plan, but it becomes more complicated
  • Additional penalties and interest may apply
  • You may need to contact the Tax Authority directly

Benefits of Using Installment Plans

Better Cash Flow Management

Spreading your IRS payment over several months helps you:

  • Maintain working capital for your freelance business
  • Avoid depleting your savings all at once
  • Plan your finances more effectively

Avoid Penalties

Setting up an official payment plan means:

  • You remain in good standing with the Tax Authority
  • You avoid additional collection actions
  • You demonstrate responsible tax management

Interest vs. Penalties

While installment plans do include some interest charges, they’re typically much lower than the penalties for:

  • Late payment
  • Non-payment
  • Forced collection actions

Common Questions

Can I pay off my installment plan early?

Yes! You can make additional payments or pay off the full balance at any time without penalties.

What if I can’t pay an installment on time?

Contact the Tax Authority immediately. Don’t wait until after you’ve missed a payment. They may be able to help restructure your plan.

Can I have multiple installment plans active at once?

Yes, you can have payment plans for different tax obligations (e.g., IRS and IVA) running simultaneously.

Is there a minimum or maximum amount for installment plans?

The minimum and maximum amounts can vary. The Portal das Finanças system will indicate if your request falls within acceptable ranges.

Practical Tips for Success

1. Calculate Your Budget First

Before choosing the number of installments:

  • Review your monthly cash flow
  • Leave a buffer for unexpected expenses
  • Don’t stretch yourself too thin

2. Set Up Payment Reminders

  • Add payment due dates to your calendar
  • Set reminders a few days before each deadline
  • Consider setting up automatic bank transfers if possible

3. Keep Documentation

  • Save confirmation of your approved payment plan
  • Keep records of each payment made
  • Download receipts from the Portal das Finanças

4. Monitor Your Plan Regularly

  • Check “Pagamentos a Decorrer” monthly
  • Verify that your payments have been properly credited
  • Watch for any notices or changes to your plan

5. Consider 12 Installments or Fewer

Unless absolutely necessary, try to structure your plan within 12 installments to avoid needing a guarantee.

Alternative Payment Options

If an installment plan doesn’t work for your situation, consider:

SEPA Direct Debit

Set up automatic payments directly from your bank account to ensure you never miss a payment.

MB Way or Multibanco

Pay directly through Portuguese ATM systems or the MB Way app.

Bank Transfer

Make manual bank transfers using the reference numbers provided by the Tax Authority.

Resources

  • Portal das Finanças: https://www.portaldasfinancas.gov.pt – Access Planos Prestacionais and manage your payments
  • Autoridade Tributária e Aduaneira: Official contact for questions about payment plans
  • AT Call Center: 707 206 707 (for assistance with payment plan questions)

Conclusion

Setting up an IRS payment plan through the Portal das Finanças is a straightforward process that can significantly ease the financial burden of your annual tax obligations. By following these steps and staying on top of your installment payments, you can maintain good standing with the Portuguese Tax Authority while managing your cash flow effectively.

Key takeaways:

  • Submit your request within 15 days after the payment deadline
  • Choose 12 or fewer installments to avoid needing a guarantee
  • Never miss an installment payment—it can cancel your entire plan
  • Use “Pagamentos a Decorrer” to track your obligations

Remember: it’s always better to set up a payment plan proactively rather than falling behind on your tax obligations. The Portuguese Tax Authority provides these tools to help taxpayers stay compliant—take advantage of them!

Need help with other aspects of Portuguese freelance taxation? Check out our guides on understanding Faturas and other Recibos Verdes topics.