4 Pa. Code § 85.2
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Bureau-The Bureau of Police and Safety of the Department.
Commonwealth property-The State Capitol Building and grounds, State buildings and grounds in Dauphin County, the Pittsburgh State Office Building and grounds, the Philadelphia State Office Building and grounds, and the Scranton State Office Building and grounds.
Demonstration-A display of group or personal feelings or opinion by a gathering of at least 20 people for the purpose of public expression.
Department-The Department of General Services of the Commonwealth.
Director-The Director of the Bureau.
Spontaneous demonstration-A demonstration on an issue of immediate public importance the delay of which will result in governmental action or inaction without the benefit of public expression.
4 Pa. Code § 85.2