(1) This section applies in respect of any use of force that is permitted by or under this Part in relation to a child or young person—
(a) held in custody in a youth justice custodial centre; or
(b) who is in the custody of a youth justice custodial officer under a transfer authority; or
(c) who is being escorted or supervised by a youth justice custodial officer under a temporary leave permit.
(2) Each of the following apply in relation to the use of force in relation to a child or young person—
(a) the use of force must be proportionate;
(b) the use of force must immediately cease once the use of force is no longer necessary;
(c) the youth justice custodial officer using force in relation to the child or young person must—
(i) apply force for the shortest possible time; and
(ii) continuously assess the need for and manner of that use of force, and modify the use of force as required;
(d) to the extent reasonably practicable in the circumstances, a youth justice custodial officer using force on a child or young person must have regard to the child's or young person's physical stature and individual characteristics and background including—
(i) age, maturity and stage of development; and
(ii) gender; and
(iii) cultural background or status as an Aboriginal child or young person; and
(iv) physical and mental health; and
(v) disability; and
(vi) history of trauma, placement in out of home care or family violence;
(e) to the extent reasonably practicable in the circumstances—
(i) an oral warning must be given to the child or young person before force is used; and
(ii) if safe to do so, the child or young person must be given reasonable time to comply with the warning;
(f) in the case of use of an instrument of restraint, the child or young person must be closely supervised while subject to the restraint.
(3) A youth justice custodial officer must not use force unless the officer is appropriately trained in relation to the use of physical intervention techniques on children and young persons.