(1) This chapter applies to a person (a full-time detainee ) if the person is—
(a) an offender in the director-general's custody because of section 11 (Effect of committal order); or
(b) a remandee in the director-general's custody because of section 16 (Effect of remand order).
(2) A reference in this chapter to an offender is a reference to the full-time detainee if—
(a) subsection (1) (a) applies to the detainee; or
(b) subsection (1) (b) applies to the full-time detainee but the offender is not a remandee under subsection (3).
(3) A reference in this chapter to a remandee is a reference to the full-time detainee if—
(a) subsection (1) (b) applies to the full-time detainee; and
(b) the full-time detainee—
(i) has not been convicted or found guilty of the offence for which the detainee is remanded; or
(ii) is not serving a sentence of imprisonment by full-time detention for another offence.