With respect to the officers and employees of any authority established under the former provisions of Article III of the act of January 22, 1968 (P.L. 42, No. 8), known as the Pennsylvania Urban Mass Transportation Law or the former provisions of Chapter 15 (relating to metropolitan transportation authorities) all such officers shall continue in office until the expiration of their respective terms of office, and all employees shall continue in employment under the terms and conditions of their respective contracts or agreements of employment; and all officers and employees shall exercise the powers, functions and duties of their respective offices or employment under this chapter.
74 Pa.C.S. § 1783