The chief executive may engage a person as an adoption contract worker for any of the following purposes if the chief executive is satisfied the person has the necessary expertise or experience—
(a) to help the chief executive assess a person under part 6 ;
(b) to supervise a child’s wellbeing and interests while an interim order for the adoption of the child is in force;
(c) to help the chief executive provide information, support or counselling to persons seeking information, or about whom information is sought, or whose consent to the disclosure of information is sought, under part 11 .