What a NAV Actually Is — and What It Is Not
A notificação para abandono voluntário (NAV) is the official notice telling you that, after a refusal, you are now in irregular status in Portugal and must leave the country within a short set period. Crucially, it is not an expulsion order and it does not force you out on the spot. AIMA's own guidance is explicit on this: in its FAQ it describes the NAV as a communication informing you that you are in a situation of irregular stay and states that it "is not an expulsion or deportation". Understanding that distinction is the first thing that lowers the panic to a workable problem: you have received a deadline and an option, not a removal van at the door.
In practice the NAV is the bridge between a rejected application and enforced removal. When AIMA refuses a residence or regularisation request, the applicant stops having a legal basis to remain. Rather than moving straight to coercive removal, the law offers a window to depart voluntarily — a less damaging outcome for you and a cheaper one for the state. The notice can come from AIMA, the GNR or the PSP, and it will name a number of days and a date. That is the document that governs your situation, which is why the very first step after the shock subsides is to read it slowly and note three things: who issued it, the exact deadline in days, and whether it references the decision it is based on.
It is worth being blunt about why so many people are receiving these notices now. As AIMA has worked through its enormous backlog, refusals have climbed sharply; Portuguese press reported that the agency rejected nearly 34,000 legalisation applications in one wave, with the government confirming it was issuing voluntary-departure notifications at scale — "around 2,000 notifications per day" at one point. If you are holding a NAV, you are not an isolated case and you are not necessarily someone who did anything wrong — many refusals in these waves turn on missing documents or process errors, not on the merits of the person's right to stay.
Your Deadline: 10 to 20 Days From Receipt
The voluntary-departure period is short: it generally runs between 10 and 20 days, counted from the date you are considered to have received the notice. AIMA's FAQ puts the window at 10 to 20 days from the date it is deemed received, and adds that it can be extended in exceptional cases with justified reasons, such as serious family or personal circumstances. The precise figure that matters is the one printed on your own notice — do not rely on a friend's timeline or a forum post, because the count and the start date on your document are what a court or the authorities will hold you to.
Two details about that start date trip people up. First, "deemed received" is not always the day you physically opened the envelope or the portal message; service rules can treat the notice as delivered a set number of days after it was sent, so the clock may already be running before you have fully taken it in. Second, the period is calendar-driven and unforgiving, so a week lost to deciding whether to act is a large fraction of the window gone. Treat the day the notice is dated as the pessimistic start of your count, and work backwards from the deadline to leave yourself room to take advice and, if you are going to fight it, to file before the window closes.
Within that short window you essentially have three paths: leave voluntarily and preserve a clean record for any future application; request an extension if you have genuine, documentable exceptional circumstances; or challenge the decision behind the NAV and, where appropriate, ask a court to suspend it so you are not forced to leave while the case is decided. Which path is right depends almost entirely on whether the underlying rejection was correct — which is why the rest of this guide focuses there. What you should not do is let the days run out while hoping the problem resolves itself; the window is the one asset the NAV hands you, and it expires.
The Rejection Behind the NAV Is the Real Target
You do not really fight the NAV; you fight the refusal that produced it. The voluntary-departure notice is a consequence of an underlying decision — an indeferimento of your residence or regularisation request — and if that decision is overturned or suspended, the NAV falls with it. So the central question is not "how do I appeal the order to leave" but "was the rejection my application received legally sound, and can I get it reversed or frozen in time?" Everything useful you can do flows from answering that honestly, ideally with a lawyer looking at the actual decision text.
Rejections in the current backlog waves frequently rest on shaky ground, which is exactly why they are worth examining rather than accepting. Common defects include a refusal that ignores documents you did submit, a decision issued without giving you the prior hearing (audiência prévia) the law requires, or a rejection that contradicts a right you plainly hold. A Portuguese lawyer writing on AIMA refusals notes that challenges are strongest when the decision shows formal defects such as inadequate reasoning or a failure to respect the right to a prior hearing. If any of that describes your case, the NAV is built on a foundation you can attack.
This is also where it helps to know which stage you are at. If what you actually received was a draft refusal — a projeto de indeferimento or "intention to refuse" — you are earlier in the process than a NAV, and you have a prior-hearing window (typically 10 working days) to answer before it becomes final. Our guide on responding to an AIMA intenção de indeferimento at the audiência prévia stage covers that moment in detail. If instead the decision is already final and a NAV has issued, the fight moves to the appeal and court routes below, and to understanding the reasons AIMA most often gives for rejection so you can target yours precisely.
Can You Still Contest It? Audiência, Appeal, Court
Yes — a final rejection with a NAV can still be challenged, and in urgent cases a court can suspend your removal while it decides. There are three mechanisms, and they are not mutually exclusive. The first is the optional hierarchical appeal (recurso hierárquico), an administrative request asking AIMA to review its own decision; it is cheaper and faster to lodge but does not, by itself, guarantee that the departure clock stops. The second and more decisive is a judicial challenge in the administrative court (an ação administrativa), which asks a judge to annul the refusal for illegality. The third, and the one that directly addresses the NAV's urgency, is a request for an interim injunction (providência cautelar) to suspend the decision's effects so you are not forced to leave before the court rules.
The deadlines here are the whole game, and they are short. A general judicial challenge to an administrative act typically runs to around three months, but where a removal is imminent the urgent-protection routes operate on much tighter timelines measured in days or a few weeks, and they are what keep you in the country while the underlying case is argued. Because the exact period depends on the type of act, the wording of your notice, and whether you also pursue the hierarchical appeal first, this is not a filing to improvise. Confirm your specific deadlines immediately with an immigration lawyer, and if cost is the obstacle, apply for legal aid (apoio judiciário) through Segurança Social, which can cover a lawyer and court fees.
Do not let the voluntary-departure window and the appeal windows blur together in your mind. The 10-to-20-day period is about leaving the country; the appeal and court deadlines are about contesting the decision — and filing an urgent injunction before the voluntary window expires is precisely how you avoid being made to choose between leaving and losing your case. If you are weighing whether this warrants professional help, our guidance on when to hire an immigration lawyer in Portugal and the mechanics of filing a court action against AIMA walk through how these cases are built and what they cost.
What Happens If You Ignore It: Removal and the Schengen Alert
Ignoring a NAV will not have the police at your door the next morning, but it is the worst of the available options because it converts a manageable situation into an enforcement one. Once the voluntary period lapses without you leaving and without a court suspending the order, the authorities can initiate a separate coercive removal procedure (afastamento coercivo). That is a different and far more serious track, and it is the exact outcome the voluntary window is designed to let you avoid. The NAV is, in effect, the state's offer of the least damaging exit; declining it silently forfeits that offer.
There is also a consequence that reaches well beyond Portugal. A NAV is recorded in the Schengen Information System, and AIMA's FAQ indicates that registration lasts for around a year. In practice that functions as a re-entry alert across the Schengen area: a person flagged in the system can be refused entry or encounter serious problems travelling to or through other Schengen states during that period. So the cost of letting the deadline pass is not only the risk of forced removal from Portugal but a Schengen-wide shadow on your mobility that outlasts the Portuguese process itself, and that can complicate any future visa or residence application anywhere in the bloc.
Weigh that against the alternatives honestly. If your rejection was correct and you have no viable challenge, leaving voluntarily within the window keeps your record as clean as it can be and leaves the door open to apply again properly in future — a far better position than having a coercive removal and a live Schengen alert on file. If your rejection was wrong, the answer is not to quietly overstay and hope, but to file the urgent challenge that legally suspends the order, so you remain in the country lawfully while the court examines the decision. Either way, the response to a NAV is a decision to make deliberately within days, not a notice to set aside.
When the NAV Was Issued in Error
Not every NAV is correctly issued, and AIMA itself has conceded as much. In April 2026 the agency publicly admitted an analysis error and cancelled a voluntary-departure notice it had wrongly sent in the case of a nine-year-old child whose residence renewal it had refused despite the parents holding valid authorisations. The episode is a useful reminder that these notices are generated inside a strained, backlog-driven system where mistakes happen — and that a wrongly issued notice can be withdrawn when the error is pointed out. Receiving a NAV is not proof that you are in the wrong; it is proof that a decision was made, and decisions can be flawed.
Treat your own notice with that same scrutiny. Ask whether the refusal behind it squares with the facts: did AIMA overlook documents that are sitting in your file with timestamps proving you submitted them? Were you ever given the prior hearing you were entitled to before the decision turned final? Does the notice assume you are irregular when you in fact hold, or validly applied to renew, a permit? Each of those is a concrete, documentable ground to argue the NAV rests on a defective decision. Pull together your submission receipts, the portal history, every AIMA communication and any valid permit, and lay out the contradiction clearly.
Where the error is real, raise it urgently and in writing — through a lawyer or through legal aid — rather than assuming the system will catch its own mistake. Reference the specific decision, state exactly what was gotten wrong, and attach the proof. In parallel, protect yourself against the clock by preparing the urgent court challenge described above, because an administrative request to fix an error does not, on its own, stop the departure deadline from running. The child's case was corrected because someone pushed back with the facts; a NAV built on a mistake is challengeable, but only if you surface the mistake before the window closes.
What to Do This Week
In the first days after a NAV lands, move in a fixed order. Read the notice and write down the issuing body, the exact number of days, and the date it was dated or deemed received, then mark the hard deadline on a calendar. Locate the underlying decision — the indeferimento — and read its stated reasons, because that text determines whether you have a case. Gather your evidence into one place: submission receipts and their dates, the portal status history, every AIMA message, proof of any documents the decision claims you did not provide, and any valid or in-renewal permit. That packet is what any lawyer, legal-aid office or court will need, and assembling it early is the most useful thing you can do while you decide on a path.
Then get advice fast, because the windows are short and overlapping. If you qualify, apply for legal aid (apoio judiciário) through Segurança Social so cost does not stop you from acting; if you can instruct a private immigration lawyer, do so now rather than at day 18. Ask them one focused question first: is the rejection defective enough to challenge, and if so, should we file an urgent injunction to suspend the NAV? If the honest answer is that the refusal was correct and unchallengeable, use the remaining days to leave voluntarily and keep your record clean. If the answer is that it is defective, file before the voluntary period expires so you stay lawfully while the court decides.
The bottom line is that a NAV is a deadline and a choice, not a verdict. It gives you 10 to 20 days, it is not itself an expulsion, and the decision it rests on can be wrong — and can be fought. The two outcomes that leave you worst off are letting the window lapse in silence, which opens the door to coercive removal and a year-long Schengen alert, and panicking into a departure when the rejection behind the notice was defective and challengeable. Read the notice, pin the deadline, interrogate the decision, and get help within days. Handled deliberately, even this moment — the most frightening one in the whole AIMA process — has a clear path through it.