US Visa Validity vs Duration of Stay (2026 Guide)

One of the most confusing aspects of a US visa is the difference between visa validity and how long you are actually allowed to stay in the United States. Many applicants assume both are the same — but they are completely different concepts with different consequences.

Last updated: June 2026

Quick Overview

What Is US Visa Validity?

Visa validity is the time period during which you are permitted to request entry into the United States. If your B1/B2 visa is valid for 10 years with multiple entries, it means:

• You can attempt to enter the US at any point during those 10 years
• You can make multiple trips within that period
• The visa itself does not expire until the 10-year date

Visa validity does NOT determine how long you can stay once you are inside the US.

What Is Duration of Stay?

Duration of stay is how long you are permitted to remain inside the US during each specific entry. This is decided by the US Customs and Border Protection (CBP) officer at the port of entry — not by the visa itself and not by the embassy.

• The officer checks your documents, asks about your purpose, and determines your authorised stay
• The typical stay for B1/B2 visitors is up to 6 months, but it can be shorter
• The duration is recorded on your I-94 arrival/departure record

Who Decides Your Stay Duration?

US Customs and Border Protection (CBP) officers at the airport or border crossing decide your stay duration at every entry. At the port of entry, the officer will:

• Check your visa validity and supporting documents
• Ask about your purpose of visit and intended length of stay
• Stamp your passport and assign an authorised stay period
• Create your I-94 arrival record with the exit deadline

Practical Example

You hold a 10-year multiple-entry B1/B2 US visa. On arrival at JFK airport, the CBP officer may admit you for 3 months — not 10 years. Your obligation is to leave by the 3-month deadline on your I-94, regardless of your visa's 10-year validity.

What Is the I-94 Record?

The I-94 is your official US arrival and departure record. It shows:

• Your date of entry into the US
• Your authorised stay duration (the actual deadline to leave)
• Your visa class and admission category

Check your I-94 online through the official CBP I-94 portal after entry. Always verify the exit deadline — it is the date that legally matters, not your visa expiry date.

Common Mistakes

• Thinking a 10-year visa means a 10-year stay — Wrong. The stay per visit is typically up to 6 months, decided by the CBP officer at entry.
• Overstaying beyond the I-94 deadline — Even one day of overstay can result in future visa rejection, entry bars, and immigration penalties.
• Ignoring the I-94 record — Always check your I-94 online after entry to confirm the correct exit deadline.

What Happens if You Overstay?

• Overstaying even briefly is a violation of visa conditions
• Can result in 3-year or 10-year entry bar depending on the length of overstay
• Future US visa applications will be heavily scrutinised
• Permanent mark on your US immigration record

Key Insight

A US visa is not permission to live in the US. It is permission to request entry at a port of entry. Final stay duration is always controlled by the CBP officer at the border, not the visa itself. Your I-94 record — not your visa — is the legally binding document for how long you may stay.

Official References

• CBP — I-94 Arrival/Departure Record Check
• US Department of State — Visitor Visa

Frequently Asked Questions

What is the difference between US visa validity and duration of stay?

Visa validity is the time window during which you can attempt to enter the US — determined by the embassy at issuance. Duration of stay is how long you can actually remain inside the US per visit — determined by the CBP officer at your port of entry. The two are completely separate.

How long can I stay in the USA on a B1/B2 tourist visa?

The CBP officer at entry determines your stay, typically up to 6 months per visit. You must leave by the date recorded on your I-94 record — not your visa expiry date.

What is the I-94 and where do I check it?

The I-94 is your official US arrival and departure record. It contains your authorised stay deadline. You can check it online at i94.cbp.dhs.gov after entering the US. Always verify your I-94 after every US entry.

What happens if I overstay my US visa?

Overstaying — even by one day — is a violation. Overstays of 180 days to 1 year trigger a 3-year entry bar. Overstays of over 1 year trigger a 10-year bar. Future US visa applications will face significant scrutiny.

Can the CBP officer allow me to stay longer than 6 months?

In some cases, yes — CBP officers have discretion to admit visitors for a period appropriate to their stated purpose. However, 6 months is the typical maximum for B1/B2 visitors. If you need to stay longer, you must apply to USCIS for an extension of stay (Form I-539) before your authorised period expires.