(1) The Director shall conduct an investigation and assessment of the circumstances concerning a child, regardless of the consent of a person if —
(a) it appears to the Director that the child may be in need of care and protection;
(b) the parent or the child requests assistance under section 10; or
(c) a person makes a report under section 13.
(2) An investigation and assessment must be conducted within seventy-two hours of the appearance by the Director that a child may be in need of care and protection, receipt of the request for assistance or the receipt of the report.