65 Pa. C.S. § 703
The following words and phrases when used in this chapter shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Administrative action." The execution of policies relating to persons or things as previously authorized or required by official action of the agency adopted at an open meeting of the agency. The term does not, however, include the deliberation of agency business.
"Agency." The body, and all committees thereof authorized by the body to take official action or render advice on matters of agency business, of all the following: the General Assembly, the executive branch of the government of this Commonwealth, including the Governor's Cabinet when meeting on official policymaking business, any board, council, authority or commission of the Commonwealth or of any political subdivision of the Commonwealth or any State, municipal, township or school authority, school board, school governing body, commission, the boards of trustees of all State-aided colleges and universities, the councils of trustees of all State-owned colleges and universities, the boards of trustees of all State- related universities and all community colleges or similar organizations created by or pursuant to a statute which declares in substance that the organization performs or has for its purpose the performance of an essential governmental function and through the joint action of its members exercises governmental authority and takes official action. The term shall include the governing board of any nonprofit corporation which by a mutually binding legal written agreement with a community college or State-aided, State-owned or State-related institution of higher education is granted legally enforceable supervisory and advisory powers regarding the degree programs of the institution of higher education. The term does not include a caucus or a meeting of an ethics committee created under rules of the Senate or House of Representatives.
"Agency business." The framing, preparation, making or enactment of laws, policy or regulations, the creation of liability by contract or otherwise or the adjudication of rights, duties and responsibilities, but not including administrative action.
"Caucus." A gathering of members of a political party or coalition which is held for purposes of planning political strategy and holding discussions designed to prepare the members for taking official action in the General Assembly.
"Conference." Any training program or seminar, or any session arranged by State or Federal agencies for local agencies, organized and conducted for the sole purpose of providing information to agency members on matters directly related to their official responsibilities.
"Deliberation." The discussion of agency business held for the purpose of making a decision.
"Emergency meeting." A meeting called for the purpose of dealing with a real or potential emergency involving a clear and present danger to life or property.
"Executive session." A meeting from which the public is excluded, although the agency may admit those persons necessary to carry out the purpose of the meeting.
"Litigation." Any pending, proposed or current action or matter subject to appeal before a court of law or administrative adjudicative body, the decision of which may be appealed to a court of law.
"Meeting." Any prearranged gathering of an agency which is attended or participated in by a quorum of the members of an agency held for the purpose of deliberating agency business or taking official action.
" Official action."
"Political subdivision." Any county, city, borough, incorporated town, township, school district, intermediate unit, vocational school district or county institution district.
" Public notice."
"Special meeting." A meeting scheduled by an agency after the agency's regular schedule of meetings has been established.
65 Pa.C.S. § 703