(1) “Emergency” means any such circumstance which, in the judgment of the principal law-enforcement officer of the requesting jurisdiction, requires additional police assistance, and shall include such planned or anticipated or scheduled events that, in the judgment of the principal law-enforcement officer of the requesting jurisdiction, will require additional police resources beyond the reasonable capacity of the requesting jurisdiction. The governing body of a jurisdiction may determine the circumstances under which police officers of its jurisdiction, together with all necessary equipment, may lawfully go or be sent beyond the territorial limits of its jurisdiction to any point within or without the State.

(2) “Jurisdiction” means a recognized geographic area such as a county, incorporated municipality or the legislatively defined area of responsibility of the Delaware River and Bay Authority or the Department of Safety and Homeland Security or the Department of Natural Resources and Environmental Control and/or the University of Delaware and/or Delaware State University in which the governing body and its police have the authority, capacity, power and right to enforce laws.

(3) “Mutual assistance” means the provisions under this subchapter enabling the police of one jurisdiction to enter into another jurisdiction for purpose of rendering assistance upon the request of the other jurisdiction.

(4) “Police” includes all authorized law-enforcement personnel of a jurisdiction.