Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 10508-A. Joint Municipal Impact Fee Ordinance 

(a) or the purpose of permitting municipalities which cooperatively plan for their future to also provide for transportation capital improvements in a cooperative manner, the governing bodies of each municipality which has adopted a joint municipal comprehensive plan pursuant to Article XI   1 in accordance with the conditions and procedures set forth in this article may cooperate with one or more municipalities to enact, amend and repeal joint transportation impact fee ordinances to accomplish the purposes of this act in accordance with this article.

(b) The procedures set forth in this article shall be applicable to the enactment of a joint municipal impact fee ordinance.

(c) Each municipality party to a joint municipal impact fee ordinance shall approve the advisory committee and shall adopt the land use assumptions, roadway sufficiency analysis, capital improvement plan and ordinances and amendments thereto in accordance with the procedures in this article, and no such ordinance shall become effective until it has been properly adopted by all the participating municipalities.