 The international office in turn updates the student's SEVIS record indicating that the student has reported for studies.The Form I-94 that is issued to F-1 students upon arrival is generally annotated "D/S" indicating duration of status, which means that the student can stay in the United States as long as he/she is in valid student status.In addition, there is a grace period of 60 days after the completion of studies to depart the United States.