Code of Federal Regulations Title 20. Employees' Benefits § 20.404.368 When you are considered a full-time student during a period of nonattendance

(a) The period of nonattendance is 4 consecutive months or less;

(b) You show us that you intend to resume your studies as a full-time student at the end of the period or at the end of the period you are a full-time student;  and

(c) The period of nonattendance is not due to your expulsion or suspension from the school.