Although the official IRS delivery deadline only on April 1, some taxpayers are already able to submit the statement on the Finance Portal. However, experts warn of the risks of doing so soon.
Simulators are already active
According to information from the portal itself, the simulators are already active, allowing taxpayers to provide the amounts to pay or receive. However, this functionality has had problems in the early days of the campaign in previous years.
Frequent errors at the beginning of the campaign
The experience of previous years indicates that the IRS simulator may contain errors and inaccuracies, especially in the first weeks.
These problems may affect important calculations, such as the decision to submit the statement together or separately, or the encompassing of certain income.
Accountants recommend that taxpayers wait until mid -April to submit the statement. This is because, usually, the tax authorities only corrects the most serious mistakes after the first complaints of professionals and citizens.
Government does not recommend early delivery
The Ministry of Finance has already acknowledged that every year there are flaws in the simulator and that they are progressively resolved.
The Tax and Customs Authority (AT) receives reports on errors and adjusts the system throughout April. For this reason, the government does not advise taxpayers to submit the IRS in the early days.
Although technically possible, there may be inconsistencies that affect the amount of the reimbursement or, in more severe cases, require a later correction.
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Deadlines and forecast of refunds
The deadline for delivery of IRS takes place between April 1 and June 30. Those who submit the declaration earlier may quickly receive a refund, but at risk of based on the calculations on wrong values.
Last year, the average reimbursement period was 13 days. In 2025, the Secretary of State for Tax Affairs, Claudia Reis Duarte, said the Government’s goal is to further reduce this waiting time.
Despite this promise, accountants reinforce that the speed of reimbursement should not be the only criterion to consider. Ensuring that the values are correct and that the taxpayer does not lose tax benefits is even more important.
What should you do to avoid problems
Experts advise taxpayers to:
- Perform the simulation, but not immediately submit;
- Wait up to at least April 15 to avoid system errors;
- Check all applicable deductions and benefits;
- Consult an accountant if there are questions.
According to these recommendations, you can avoid unnecessary problems and ensure that your IRS is delivered correctly, maximizing tax benefits and minimizing error risks.
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