If, upon receipt of a domestic relations order, the domestic relations liaison is of the opinion that it complies in all ways with the requirements for a qualified domestic relations order hereunder, the domestic relations liaison shall so state in the notice to be sent under §129.3 of this title (relating to Notice Regarding Receipt of Order). In that event, the notice shall also state that the system will thereafter pay the sums payable under the order in the manner set forth in the order, unless any of the parties notifies the system in writing, within two weeks (and such additional time as may be allowed by the system upon good cause being shown) from the date of the notice letter, that they are contesting the order.