What Is Form I-539: Eligibility, Filing, and Costs

Form I-539 is the U.S. Citizenship and Immigration Services (USCIS) application you use to extend your authorized stay in the United States or change from one nonimmigrant visa category to another without leaving the country. It covers most nonimmigrant classifications outside of employment-based petitions, which employers file separately on Form I-129. You file Form I-539 yourself, before your current authorized stay ends, and you continue to hold lawful status while USCIS decides.

The form serves two distinct purposes. An extension keeps you in the same category and gives you more time, such as a B-2 tourist granted another six months. A change of status moves you into a different category entirely, such as a visitor who is accepted to a university and needs to switch to F-1 student status. In both cases, you must be in valid nonimmigrant status when you file.¹

Who Can File Form I-539

The form is available to a range of nonimmigrant visa holders already inside the United States. The most common filers include:

B-1 and B-2 visitors admitted for business or tourism who need additional time to complete their activities.
F and M academic or vocational students who want to change classification or apply for reinstatement after falling out of status.
Dependents of temporary workers, such as H-4 and L-2 spouses and children, who need to extend alongside the principal visa holder.
J-2 dependents of exchange visitors seeking an extension or change of status.
Residents of the Commonwealth of the Northern Mariana Islands applying for an initial grant of certain nonimmigrant status.

Who Cannot File Form I-539

Several categories are barred from using the form. If you fall into any of these groups, Form I-539 is not the right filing:

Visa Waiver Program (ESTA) entrants cannot extend their stay or change status.
D-visa crewmembers on ships or aircraft are ineligible.
C-visa transit visitors and Transit Without Visa (TWOV) travelers cannot file.
K-1 and K-2 fiancé(e)s and their children cannot extend or change status with this form. K-3 and K-4 holders cannot change to a different nonimmigrant status.
Principal temporary workers in H-1B, H-2A, H-2B, H-3, L-1, O-1, O-2, P-1, P-2, P-3, R-1, or TN status cannot use Form I-539. Their employers must file Form I-129 on their behalf.

The rule for principal workers trips up applicants often. The workers themselves cannot use Form I-539, but their eligible dependents generally can use it to extend their own stay or change status.²

When to File

USCIS recommends filing at least 45 days before your current authorized stay expires, and generally no more than six months in advance.² Your authorized stay ends on the date printed on your I-94 Arrival/Departure Record, not the expiration date on the visa stamp in your passport. The visa stamp controls only when you can use the visa to enter the country. Confusing the two is a common and costly mistake.

Filing on time protects you. As long as you file a timely, non-frivolous application before your I-94 expires, you are considered to be in a period of authorized stay while USCIS processes the case, even if a decision takes months.³

If You Miss the Deadline

USCIS will generally deny an application filed after the I-94 has expired. The agency has discretion to excuse a late filing, but only if you can show all of the following:

The delay resulted from extraordinary circumstances beyond your control.
The length of the delay was reasonable given those circumstances.
You have not otherwise violated your nonimmigrant status.
You remain a genuine nonimmigrant who still intends to leave when your authorized activities are complete.
You are not in removal or deportation proceedings.

USCIS reads “extraordinary circumstances” narrowly. Work stoppages from labor disputes or a government shutdown that blocked required certifications have qualified. Forgetting the deadline or not knowing about it does not.³

What You Need to File

Before you start the form, gather the key facts from your travel documents. You will need your 11-character I-94 number, which you can retrieve from the CBP website or the CBP One mobile app.⁴ You will also need your passport number, passport expiration date, and current visa details. Download the form directly from the USCIS website so you are using the current edition.

The form asks for a detailed personal history: previous immigration applications, prior visits to the United States, and any interactions with law enforcement. You must also write a clear explanation of why you need the extension or change of status. Vague or incomplete answers often lead to a Request for Evidence, which delays your case.

Supporting Documents

Exact requirements vary by visa category, but most filings include:

Proof of financial support, such as bank statements, a sponsoring spouse’s pay stubs, or a signed affidavit of support showing you can support yourself without working illegally.
A written statement explaining why you need more time or a different status, and what you plan to do during the extended period.
Category-specific evidence. Applicants changing to F-1 status need a Form I-20 from their school and proof they can pay for their education. Dependents need proof of the qualifying relationship to the principal visa holder. B-2 visitors extending their stay should include a travel itinerary and evidence of ties to their home country.

Any document in a foreign language must be accompanied by a certified English translation, signed by the translator or translation service and stating that the translation is complete and accurate. Organize the exhibits to match the order of the claims on your application.²

How to File and What It Costs

You can file online through a USCIS account or by mail to a USCIS lockbox facility. The correct mailing address depends on your location and visa category, so confirm it on the USCIS website or in the form instructions before you send anything. Online filing is generally faster and provides immediate confirmation of receipt, which helps when the I-94 deadline is close.

As of early 2026, the filing fee is $420 for online submissions and $470 for paper filings. The paper fee includes a biometric services charge. A new round of USCIS fee changes takes effect on March 1, 2026, so verify the amount on the USCIS fee schedule page before you file.¹

Premium Processing

If you are applying to change status to F-1, F-2, J-1, J-2, M-1, or M-2, you can file Form I-907 for premium processing alongside your I-539. Premium processing guarantees USCIS will act on the case, whether by approval, denial, or Request for Evidence, within a set timeframe. Effective March 1, 2026, the premium processing fee for Form I-539 is $2,075, paid on top of the regular filing fee.⁵ Premium processing is not available for every category. B-1/B-2 extensions, for instance, are not eligible.

After You File

USCIS mails a Form I-797C, Notice of Action, confirming receipt. The notice carries a unique case number you can use to track progress through the USCIS Case Status tool.⁶ Keep the receipt notice safe. It is your proof that an application is pending if any question arises about your legal status during the wait.

Some applicants receive a second notice scheduling biometrics at a local USCIS Application Support Center for fingerprints and photographs. Processing times vary widely by service center and case type. Several months is common, and some cases take longer. Check current estimates for your form and service center on the USCIS website.

If USCIS approves the application, it issues a new I-94 record reflecting your updated authorized stay or new classification. Keep the approval notice with your passport. Together they document your current authorization to remain in the country.

Travel and Work While Your Application Is Pending

Two limits catch applicants off guard during the wait.

Leaving the Country

If you filed for a change of status, leaving the United States while the application is pending generally causes USCIS to treat the application as abandoned. The agency will deny it, and you would need to apply for a new visa at a U.S. consulate abroad to return. The rules for extensions in the same category are less absolute, but departing still creates risk and complications. The safest course is to stay in the country until you have a decision.

Starting the New Activity

Filing a change of status does not authorize you to begin the activities of the requested new status. If you applied to switch from B-2 to F-1, for example, you cannot enroll in classes or start on-campus employment until the change is approved and you are within 30 days of your program start date.⁷ Starting early can result in a denial and put you out of status.

If USCIS Denies Your Application

A denial does not automatically place you in removal proceedings, but it does end the protection your pending application provided. While the case was pending, USCIS treated you as being in a period of authorized stay, so unlawful presence did not accumulate. After a denial, unlawful presence generally begins to accrue if the date on your original I-94 has already passed.⁸

The consequences escalate with time:

Under 180 days of unlawful presence: no automatic reentry bar, though your visa may be considered void and you would need to apply for a new one abroad.
More than 180 days but less than one year: leaving the United States voluntarily triggers a three-year bar on reentry from the date of departure.
One year or more: leaving or being removed triggers a ten-year bar on reentry from the date of departure or removal.

These bars apply the next time you seek admission, so the effect may not surface until you try to return or apply for a new visa.⁹ If your I-539 is denied, consult an immigration attorney quickly to weigh your options, which may include departing before the 180-day threshold, filing a new application if you are eligible, or pursuing other relief.

1
U.S. Citizenship and Immigration Services. Application to Extend/Change Nonimmigrant Status
2
USCIS. Form I-539, Instructions for Application to Extend/Change Nonimmigrant Status
3
eCFR. 8 CFR 214.1 – Requirements for Admission, Extension, and Maintenance of Status
4
U.S. Customs and Border Protection. Arrival/Departure Forms: I-94 and I-94W
5
U.S. Citizenship and Immigration Services. USCIS to Increase Premium Processing Fees
6
U.S. Citizenship and Immigration Services. Form I-797C, Notice of Action
7
Study in the States. Change of Status
8
U.S. Citizenship and Immigration Services. Extension of Stay, Change of Status, and Extension of Petition Validity
9
U.S. Citizenship and Immigration Services. Unlawful Presence and Inadmissibility