US visa resources
Visa validity vs status
Your visa's expiry date controls when you can travel to a US port of entry, but your I-94 record controls how long you can actually stay.
Important
One of the most common misunderstandings in US immigration is treating the visa in your passport as permission to stay in the country. It is not. A US nonimmigrant visa is essentially a travel document: it lets you approach a port of entry and ask a border officer to admit you. How long you are then allowed to remain is a separate decision, recorded on your Form I-94 arrival record, not on the visa sticker.
This distinction matters because the two dates often differ. A visitor might hold a visa valid for ten years but be admitted for only six months at a time. It is completely normal, and legal, for your visa to expire while you are still lawfully in the United States on a valid I-94. The reverse is also true: a visa that is still valid does not extend your stay if your I-94 period has ended. Knowing which document governs which stage of your trip is the key to staying in status.
What visa validity actually means
Visa validity is the window during which you may use the visa to seek entry to the United States. It runs from the issue date to the expiration date printed on the visa, and it is set by reciprocity agreements with your country of citizenship, not by the length of any single trip.
The visa also shows the number of entries permitted. An 'M' means multiple entries, so you may travel to a US port of entry as many times as you like while the visa is valid. Other visas are limited to one or two entries. Reaching the expiration date does not cut a trip short; it only means you cannot use that visa to enter again.
- The expiration date is the last day you can present the visa to be admitted, not the last day you can be in the country
- Number of entries (often 'M' for multiple) sets how many times you may seek entry while the visa is valid
- Validity length and any issuance/reciprocity fee vary by nationality and visa class
What the I-94 controls
When a Customs and Border Protection (CBP) officer admits you, they create an electronic Form I-94 admission record. This record shows your class of admission and an 'Admit Until' date. That date, not your visa, is the legal limit on your authorized stay.
For most visitors the I-94 is issued electronically and can be retrieved online after arrival. Always check it after every entry: officers occasionally record a shorter period than expected, and an error is far easier to fix soon after admission than later.
- The 'Admit Until' date on the I-94 is what determines lawful presence
- Retrieve and print your I-94 at the official CBP site after each entry
- Verify the class of admission and dates match your intended stay
Fixed dates vs Duration of Status (D/S)
Many nonimmigrants receive a specific 'Admit Until' date. B-1/B-2 visitors are commonly admitted for up to six months, and employment categories such as H-1B, L-1 and TN are usually admitted through the end date on the underlying USCIS approval notice (Form I-797).
Students and exchange visitors are different. F, M and J holders are typically admitted for 'D/S' (Duration of Status), meaning they may remain as long as they maintain their program and status, as reflected on the Form I-20 or DS-2019, rather than to a fixed calendar date.
- B-1/B-2 visitors: commonly up to six months per admission
- H-1B, L-1, TN and similar: usually until the I-797 approval end date
- F, M, J: often 'D/S' — tied to maintaining the program, not a fixed date
When the visa expires but you are still legally here
If your I-94 is valid, you may stay through its 'Admit Until' date even after the visa itself expires. You do not need to leave simply because the sticker has expired.
However, if you depart the United States with an expired visa, you will normally need a new visa to return, even if your I-94 was still valid when you left. A narrow exception (automatic revalidation) can apply to short trips to Canada, Mexico or adjacent islands in limited circumstances, but it does not apply to everyone. Overstaying the I-94 date, by contrast, is a status violation and can trigger unlawful-presence consequences and possible visa cancellation.
- An expired visa does not shorten a still-valid I-94 stay
- Leaving on an expired visa usually means applying for a new one to re-enter
- Overstaying the I-94 date can void the visa and lead to unlawful presence
Extending or changing before the I-94 date
If you need more time, you generally must file before your current I-94 date passes, not before your visa expires. Extensions of stay and changes of status are handled by USCIS while you remain inside the country (commonly on Form I-539 for many nonimmigrant categories), and a timely, non-frivolous filing can affect your status while it is pending.
Because fees and reciprocity-based validity periods change and vary by nationality and category, confirm current amounts and rules on the official pages before you file or travel.
- Track the I-94 date, not the visa date, as your action deadline
- Extend/change status through USCIS from inside the US (e.g. Form I-539 for many categories)
- Confirm current fees and validity on the official .gov pages, as these change
Next steps
Official sources
For the most accurate and up-to-date information, always refer to the official government sources.
Verified against official sources · last reviewed 2026-08-20. Information only — not legal advice.