
Quoting
Pa.R.C.P. 1910.17 - Support Order. Effective Date. Change of Circumstances. Copies of Order.
(a) An order of support shall be effective from the date of the filing of the complaint unless the order specifies otherwise.
(b) The order shall notify the obligee and the obligor that each is under a continuing obligation to inform the domestic relations section and all other parties in writing within seven days of any material change in circumstances relevant to the level of support or the administration of the support order, including, but not limited to, loss or change of income or employment and change of personal address or change of address of any child receiving support. The order shall also notify the parties that if a party wilfully fails to inform the domestic relations section of the required information, the court may adjudge the party to be in contempt of court pursuant to Rules 1910.21-1 through 1910.21-7 and may order the party to be punished by one or more of the following: jail, fine or probation.
(c) A copy of the support order shall be provided to each party to the action and to the party's attorney, if any, pursuant to Rule 440.