The following actions are prohibited in relation to a detainee while in a detention centre:

(a) the use of isolation, within the meaning of section 133 , as a punishment except as provided in that section;

(b) the use of physical force unless it is reasonable and –

(i) is necessary to prevent the detainee from harming himself or herself or anyone else; or

(ii) is necessary to prevent the detainee from damaging property; or

(iii) is necessary for the security of the centre; or

(iv) is otherwise authorised by or under this or any other Act or at common law;

(c) the administering of corporal punishment, that is, any action which inflicts, or is intended to inflict, physical pain or discomfort on the detainee as a punishment;

(d) the use of any form of psychological pressure intended to intimidate or humiliate the detainee;

(e) the use of any form of physical or emotional abuse;

(f) the adoption of any kind of discriminatory treatment.