Commonwealth Consolidated Acts Commonwealth Consolidated Acts(1) The step - parent of a child has, subject to this Division, the duty of maintaining a child if, and only if, a court, by order under section 66M, determines that it is proper for the step - parent to have that duty.
(2) Any duty of a step - parent to maintain a step - child:
(a) is a secondary duty subject to the primary duty of the parents of the child to maintain the child; and
(b) does not derogate from the primary duty of the parents to maintain the child.