((a))

((1)) Except as provided in subsection (b), a page serving during an academic year—

((A)) shall be in the eleventh grade; and

((B)) shall serve for one full semester or two full semesters.

((2)) Except as provided in subsection (b), a page serving during the summer term—

((A)) shall have completed the tenth grade; and

((B)) shall not have begun the twelfth grade.

((b))

((1)) An unforeseen vacancy occurring in a page position during an academic year may be filled, except that no appointment may be made under this paragraph for service to begin on or after October 1 with respect to the first semester or on or after March 1 with respect to the second semester.

((2)) An individual who has served as a congressional page at any time during each of any three semesters or terms, as the case may be, shall not be eligible to serve as a page.