(1) This regulation applies to:
(a) an overseas maintenance order or agreement registered in a court before 1 July 2000; and
(b) an overseas maintenance entry liability or a registered maintenance liability.
(2) Application may be made to a court having jurisdiction under the Act for an order discharging, suspending, reviving or varying an order, agreement or liability to which this regulation applies.
(3) An application may be made by:
(a) the person for whose benefit the order or agreement was made, or for whose benefit the liability was created; or
(b) the person against whom the order was made or the person who is liable to make payments because of the agreement or the liability; or
(c) the Secretary, on behalf of a person mentioned in paragraph (a) or (b).
(4) The law to be applied to determination of an application is the law in force in Australia under the Act.