(1) The parents of a child have, subject to this Division, the primary duty to maintain the child.
(2) Without limiting the generality of subsection (1), the duty of a parent to maintain a child:
(a) is not of lower priority than the duty of the parent to maintain any other child or another person; and
(b) has priority over all commitments of the parent other than commitments necessary to enable the parent to support:
(i) himself or herself; or
(ii) any other child or another person that the parent has a duty to maintain; and
(c) is not affected by:
(i) the duty of any other person to maintain the child; or
(ii) any entitlement of the child or another person to an income tested pension, allowance or benefit.