The 3- and 10-Year Bars: How Unlawful Presence Works

By Carlos Maury · May 22, 2026 ·6 min read

Few parts of immigration law cause more accidental harm than the unlawful presence bars. They can block a person from returning to the United States for 3 or 10 years — and, in a cruel twist, the bar is often triggered by leaving the country, sometimes by people trying to do the right thing. Understanding how these bars work is essential before making any decision about departing the United States. This guide explains, in plain English.

This is general information, not legal advice. The rules below come directly from 8 U.S.C. § 1182(a)(9)(B) — the section of the Immigration and Nationality Act that creates the unlawful presence bars — as published in the U.S. Code by the Office of the Law Revision Counsel. Whether any of it applies to a specific case is a legal judgment that depends on the facts.

What the two bars are

The statute creates two bars, based on how much unlawful presence a person accrued before departing:

The 3-year bar — applies to a person who was unlawfully present for more than 180 days but less than 1 year, then voluntarily departed the United States before removal proceedings began, and again seeks admission within 3 years of departure.
The 10-year bar — applies to a person who was unlawfully present for 1 year or more, then departed or was removed, and again seeks admission within 10 years of that departure or removal.

In both cases, the person is inadmissible for the stated period — meaning they generally cannot be admitted to the United States during that time. (Lawful permanent residents are treated differently under the statute's terms.)

The trap: leaving triggers the bar

Here is the single most important — and most misunderstood — feature of these bars: the clock and the bar are tied to departure. A person can accrue unlawful presence while in the United States, but the 3- or 10-year bar generally takes effect when they leave.

This creates a dangerous trap. Someone with unlawful presence might believe that leaving to apply for a visa or green card abroad is the responsible thing to do — only to trigger a multi-year bar the moment they step across the border. This is exactly why no one with unlawful presence should leave the United States without first understanding the consequences. A departure that seems like progress can turn into a years-long separation from family.

What counts as "unlawful presence"

Under the statute, a person is deemed unlawfully present if they are in the United States either:

after the expiration of the period of stay authorized (for example, staying past the date on an I-94 after entering on a visa — a visa overstay); or
without having been admitted or paroled (for example, entering without inspection).

The concept sounds simple, but calculating unlawful presence can be genuinely complex — certain periods do not count, and there are protections for some groups (such as, under the statute's exceptions, certain minors and others). Because the exact count determines whether a bar applies and which one, this calculation is a legal task, not a back-of-the-envelope estimate.

The exceptions

The statute itself contains exceptions to the accrual of unlawful presence. For example, time before a person turns 18 does not count toward these bars, and there are other specific protections built into the law. These exceptions can be decisive — a person who assumes a bar applies might actually fall within an exception, or vice versa. This is another reason a careful, individualized analysis matters.

Waivers may be available

Being subject to a 3- or 10-year bar is not always the end of the road. The law provides waivers of the unlawful presence bars in certain circumstances — typically requiring a showing of extreme hardship to a qualifying U.S.-citizen or permanent-resident family member. In some cases, a provisional waiver can be sought before departing, precisely to reduce the risk of the departure trap. Whether a waiver is available and winnable depends entirely on the facts.

Why advice before departure is essential

The unlawful presence bars are one of the clearest examples in immigration law where a single decision — whether to leave the country — can have enormous consequences. Because the bars are triggered by departure, because the unlawful-presence count is technical, and because exceptions and waivers can change the outcome, this is an area where getting advice before acting is critical. A conversation before a trip abroad can be the difference between a smooth process and a decade-long bar.

Talk to a lawyer before you travel or file

If you have any period of time in the United States without status, and you are considering leaving — or applying for something that requires leaving — the specific facts determine whether a bar would apply and what options exist. Carlos Maury Law is a national firm of former U.S. Immigration Judges. To talk about your situation, call (213) 769-0050. We speak Spanish.

Frequently Asked Questions

What are the 3- and 10-year bars?

Under 8 U.S.C. § 1182(a)(9)(B), a person unlawfully present for more than 180 days but less than a year who then departs faces a 3-year bar to returning; a person unlawfully present for a year or more who then departs or is removed faces a 10-year bar. During that period they are generally inadmissible.

How does leaving the U.S. trigger the bar?

The bars are tied to departure. A person can accrue unlawful presence while in the United States, but the 3- or 10-year bar generally takes effect when they leave. This is why leaving — even to apply for a visa abroad — can trigger a multi-year bar, and why advice before departure is essential.

What counts as unlawful presence?

Under the statute, you are unlawfully present if you remain after your authorized stay expires (a visa overstay) or if you are present without being admitted or paroled. Certain periods do not count, and there are exceptions, so the exact calculation is a legal question.

Can the unlawful presence bars be waived?

Sometimes. The law provides waivers in certain circumstances, typically requiring a showing of extreme hardship to a qualifying U.S.-citizen or permanent-resident family member, and in some cases a provisional waiver can be sought before departing. Whether a waiver is available depends on the facts.

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This article is general information only and is not legal advice. Reading it does not create an attorney–client relationship. Immigration law is complex and fact-specific; consult a qualified immigration attorney about your situation. Prior results do not guarantee a similar outcome. Attorney advertising.