If you plan to continue on an F-1 visa, you must maintain status without long gaps between programs. A new Form I-20 from the PhD institution is required before starting the next program.

Some schools allow a short gap or authorized break if properly reported. Transferring your SEVIS record on time is important to avoid status issues. You should confirm timelines with your international student office.

If there will be a longer gap, you may need to leave the U.S. and reenter with a new visa. Admission offers and funding letters are key documents. Planning early helps prevent accidental violations.