It shall be unlawful for any person, firm or corporation to trespass upon any real or personal property owned by the City of Saratoga Springs.
As used in this article, the term "trespass" shall mean either:
A. 
Entry in or upon any public property owned by the City of Saratoga Springs, or in or upon any part thereof, in violation of a notice posted or exhibited at the main entrance to said public property or at any other point of approach or entry; or
B. 
Failure or refusal to depart from any public property owned by the City of Saratoga Springs following any form of notice or warning given by any official or employee of the City of Saratoga Springs authorized to protect such public property; or
C. 
Entry into or upon any vehicle or other object of personal property owned by the City of Saratoga Springs without the consent of the official or employee having the authority to determine the use thereof, or failure or refusal to leave such object of personal property following any form of notice or warning given by such official or employee.