(1) The following persons must attend a pre-sentence group conference for a child—
(a) the child;
(b) the child's legal representative;
(c) the informant or other police officer;
(d) the convenor.
(2) The following persons may attend a pre-sentence group conference for a child—
(b) a member of the child's family;
(c) a person of significance to the child;
(d) a victim of the offence or the victim's representative;
(e) any other person permitted to attend by the convenor.