21Order for maintenance of party to marriage under Matrimonial Causes Act 1965 to cease to have effect on remarriage of that party
(1)An order made, or deemed to have been made, under section 16(1 Ma) or (b) of the [1965 c. 72.] Matrimonial Causes Act 1965 shall, notwithstanding anything in the order, cease to have effect on the remarriage after the commencement of this Act of the person in whose favour the order was made, except in relation to any arrears due under it on the date of such remarriage.
(2)An order for the payment of alimony made, or deemed to have been made, under section 20 of the said Act of 1965, and an order made, or deemed to have been made, under section 21 or 22 of that Act, shall, if the marriage of the parties to the proceedings in which the order was made was or is subsequently dissolved or annulled but the order continues in force, cease to have effect on the remarriage after the said commencement of the party in whose favour the order was made, except in relation to any arrears due under it on the date of such remarriage.