The following words and phrases when used in this act shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"County tax map." A map describing real estate in a county, maintained for its tax assessment purposes as otherwise provided by law.
"Governing body." The county commissioners of the county, except in those counties which have adopted an optional charter or home rule form of government where it shall mean that body vested with the legislative authority of the county.
"Municipality." Any city of the first, second, second class A or third class, borough, incorporated town, township of the first or second class or any similar general purpose unit of government which shall hereafter be created by the General Assembly. The term shall include those general purpose units of government smaller than a county which exercise self-government under a home rule charter or optional plan.
"Uniform parcel identifier." A finite, punctuated sequence of numbers indicating the land parcel or other interest in real estate as shown on the recorded county tax map, which sequence may be the existing county tax parcel number.
21 P.S. § 332