U.S. visitor visa guide

Visa validity vs length of stay: foil dates are not I-94 stay

Explains the difference between B1/B2 visa foil validity and how long you may remain in the United States after admission, including the role of CBP and I-94.

Updated 2026-07-286 min readAlways follow the latest official rules

Short answer

Visa validity is the period during which you may seek entry at a U.S. port. How long you may stay after admission is a separate decision, usually recorded on your I-94. A multi-year foil does not automatically mean six months each visit.

What visa foil validity means

The expiration date on a B1/B2 foil is generally the last day you may use that visa to apply for admission. It is not a promise that every trip will be allowed, nor a fixed stay length inside the United States.

  • Entries must usually begin on or before the foil expiration (follow current CBP/State guidance for day-of-expiry nuance).
  • Multiple-entry foils allow repeated seeks of admission while valid—each entry is still inspected.
  • Validity length often follows reciprocity for your nationality; check the official schedule.

Length of stay and I-94

When you are admitted, CBP decides status and how long you may remain. Many visitors receive an I-94 record with an “admit until” date. Always check your I-94 after travel rather than assuming a standard period.

ConceptWho decidesWhere to look
Visa foil validityVisa issuing post / reciprocity rulesVisa foil in passport
Length of stayCBP at admissionI-94 / admission stamp or electronic record
Extension of stayUSCIS if eligibleUSCIS instructions—not automatic
Overstaying can affect future visas and entries. Plan departure using the I-94 date, not the foil end date alone.

Common myths

  • Myth: “10-year visa = 6 months every trip.” Reality: stay is set at admission.
  • Myth: “Foil still valid so I cannot be refused entry.” Reality: CBP may refuse or shorten stay.
  • Myth: “Htex completed = stay approved.” Reality: Htex does not decide admission or I-94.

FAQ

Can I enter on the last day my visa is valid?

Rules can be technical. Confirm current official guidance before travel; do not rely on forum anecdotes for day-of-expiry cases.

Where do I find my I-94?

Most air travelers retrieve electronic I-94 records from the official CBP I-94 site after travel. Keep a copy for your records.

Can I stay longer if my foil is still valid?

Foil validity alone does not extend stay. You must leave by the I-94 date or pursue an official extension path if eligible.

Does a longer foil mean a stronger application?

Reciprocity and post practice influence foil length. It is not a score of how “safe” your case was, and it is not decided by Htex.

Official sources

Links to public government pages for verification. Htex is not a government agency; this page is explanatory only.