(a) Requirement.--If a support order or order issued by another tribunal is registered, the registering tribunal shall notify the nonregistering party. Notice must be given by first class, certified or registered mail or by any means of personal service authorized by the law. The notice must be accompanied by a copy of the registered order and the documents and relevant information accompanying the order. (b) Contents.--The notice must inform the nonregistering party of all of the following: (1) A registered order is enforceable as of the date of registration in the same manner as an order issued by a tribunal. (2) A hearing to contest the validity of the registered order must be requested within 20 days after the date of mailing or personal service of the notice. (3) Failure to contest the validity of the registered order in a timely manner will result in confirmation of the order and enforcement of the order and the alleged arrearages and will preclude further contest of that order with respect to any matter that could have been asserted. (4) The amount of any alleged arrearages.
Pennsylvania Legal Code