(2) A youth offender who is admitted to a youth correction facility may be retained in the facility for the duration of the commitment period. In no case may a youth offender be retained in a youth correction facility after the youth offender has attained 25 years of age.
(3) No youth offender shall be transferred or returned after discharge to a facility described in subsection (1) of this section, except upon court order under this chapter.
(4) Nothing in subsection (3) of this section shall be deemed to prohibit return of a youth offender to a facility described in subsection (1) of this section, in the discretion of the youth authority, if the youth offender has been released from the facility on temporary or indefinite parole, or to prohibit transfer of a youth offender from one such facility to another. [1993 c.33 §244; 1999 c.109 §2]