(1) If the Commissioner for Youth Justice authorises the use of isolation under section 481, the Commissioner must also determine the period of isolation for the child or young person.
(2) The period of isolation must be the shortest time necessary for the child or young person in all the circumstances.
(3) In determining the period of isolation for the child or young person, the Commissioner for Youth Justice must, to the extent reasonably practicable, have regard to the individual characteristics and background of the child or young person, including—
(a) age, maturity and stage of development; and
(b) gender; and
(c) cultural background or status as an Aboriginal child or young person; and
(d) physical and mental health; and
(e) disability; and
(f) history of trauma, placement in out of home care or family violence.