US tightens F-1 visa rules, introduces four-year admission limit, cuts grace period to 30 days

U.S. officials are set to tighten regulations surrounding F-1 visas, imposing a maximum four-year admission period and shortening the grace period to just 30 days, starting from September 15, 2026. The Department of Homeland Security (DHS) will no longer employ the "duration of status" system, instead linking F-1 visas directly to the length of the student's program as indicated on Form I-20.

This shift could necessitate extensions for students needing extra time to complete their studies, transfer to another program, or undergo post-completion practical training. The grace period for completing their program or post-completion Optional Practical Training (OPT) will be reduced to 30 days, down from the previous 60 days.

Students are still allowed to enter the U.S. up to 30 days prior to the start of their academic program, while those attending public high schools will be limited to a 12-month stay, encompassing school breaks and annual holidays. Students with unexpired visas can either extend their stay or return to their home country and apply for a new admission period upon their return.

The decision on the applicable period will be made by U.S. Customs and Border Protection, based on the student's updated SEVIS record, supporting documents, and immigration eligibility. These changes are part of a broader tightening of U.S. immigration and visa policies for international travelers and students in 2026. The U.S. has also altered its visa application process for Nigeria, with the U.S. Embassy in Abuja ceasing routine visa services as of August 1, 2026, and directing applicants to the U.S. Consulate General in Lagos for processing.