(a) Except as provided in paragraph (b) of this section, a student may remain enrolled in Job Corps for no more than 2 years.

(b)(1) An extension of a student's enrollment may be authorized in special cases according to procedures issued by the Secretary;

(2) A student's enrollment in an advanced career training program may be extended in order to complete the program for a period not to exceed 1 year;

(3) An extension of a student's enrollment may be authorized in the case of a student with a disability who would reasonably be expected to meet the standards for a Job Corps graduate if allowed to participate in the Job Corps for not more than 1 additional year; and

(4) An enrollment extension may be granted to a student who participates in national service, as authorized by a Civilian Conservation Center, for the amount of time equal to the period of national service.