Municipal authority-An authority created or organized by a municipality in accordance with the laws of the Commonwealth for the purpose of rendering service similar to that of a public utility.
Municipal corporation-The term as defined in 66 Pa.C.S. § 102 (relating to definitions).
Public transportation authority-An authority created or organized under the laws of the Commonwealth for the purpose of rendering public transportation service.
State instrumentality-
Substantial ongoing control-The act of setting or affirmatively approving the rates, routes, schedules, terms and conditions of service, and the monitoring and enforcement of a contractor's compliance with them.
52 Pa. Code § 41.22