Variation or revocation of maintenance orders

(1) Where an order for the payment of a weekly sum has been made, the magistrate of the district in which the person who is, or has been, entitled to receive payment under the order resides may, at any time on application either by the person who is or has been entitled to payment, or by the father, vary the existing order by increasing or decreasing the amount payable thereunder, or revoke the order or revive any order which has been revoked, as the magistrate having regard to all the circumstances, thinks proper. (2) An order for maintenance against a father or mother shall cease to have effect on custody of the child being granted to that father or mother or other person in his or her place by the court. (3) An order for maintenance may be made and enforced against the estate of a deceased person who has been declared the father or mother of the child under a declaration of (4) Where a declaration of parentage has been made, an order for recovery of arrears of expenses incurred in the maintenance of a child may be made even after the death of the