Cap-Gap Extension: Staying on F-1 Until Your H-1B Starts

Most new H-1B jobs start on October 1, the first day of the government's fiscal year. But many students' OPT or STEM OPT ends in the spring or summer. The months between the end of OPT and the H-1B start date are the "cap gap."

The cap-gap extension fills that gap. If you qualify, your F-1 status continues automatically, and if your OPT was valid when the petition was filed, your permission to work continues too.

Under a DHS rule that took effect in January 2025, the extension can last until April 1 of the fiscal year the H-1B is for. That protects students whose petitions are still pending after October 1.

Example: your OPT card expires on June 15. In April, your employer filed an H-1B cap petition for you, asking for a change of status and an October 1 start date. You can keep working after June 15, through September 30, and into the new fiscal year if USCIS has not yet decided the petition, up to April 1.

You generally qualify if:

• Your employer registered you in the H-1B lottery, you were selected, and the employer filed a timely cap-subject H-1B petition during the filing period
• The petition asks USCIS to change your status from F-1 to H-1B inside the United States (not "consular notification")
• You were in valid F-1 status when the petition was filed, including during OPT, STEM OPT, or the 60-day grace period after them

Cap-exempt H-1B petitions (for example, from universities) do not need the cap-gap because they can start at any time.

There is no separate application. Once the petition is filed:

1. Send your Designated School Official (DSO) the USCIS receipt notice (Form I-797C) for the H-1B petition.
2. The DSO updates SEVIS and gives you an updated I-20 showing the cap-gap extension.
3. Give your employer the updated I-20 and receipt notice for your Form I-9 records.

When the petition is approved, the DSO can update your I-20 again. Your H-1B status starts on the approved start date.

The extension ends if USCIS denies, rejects, or revokes the petition, or if the employer withdraws it. In most such cases you get the usual 60-day grace period to leave the US or change to another status. If the denial is based on a status violation or fraud, there may be no grace period.

If your employer uses premium processing ($2,965 as of September 2026), you learn the result sooner, which reduces uncertainty during the gap.

Travel is risky. If you leave the United States while a change of status petition is pending, USCIS usually treats the change of status request as abandoned. The petition may still be approved for consular processing, but you would need to get an H-1B visa at a US consulate abroad and could not return to work until October 1 or later.

Consular visa processing has its own risks in 2026: most applicants need an in-person interview, and appointment waits can be long. Separately, the $100,000 H-1B payment from the September 2025 proclamation was aimed mainly at workers outside the US; it is not being collected as of September 2026 because of a court order. See H-1B $100k fee status. Stay in the US during the gap unless a lawyer advises otherwise.

The cap-gap rules did not change in 2026. The wage-weighted H-1B lottery that took effect on February 27, 2026 changes who gets selected, not how the cap-gap works. The blocked F-1 "duration of status" rule would not have removed cap-gap protection. For updates on student rules, see F-1 fixed admission period status.