AN ACT relating to public safety; providing that certain provisions governing the organization of a metropolitan police department do not prohibit a participating political subdivision from establishing and administering a unit of specialized law enforcement consisting of officers that provide public safety services; setting forth the jurisdiction and authority of officers of such a unit; revising provisions governing the jurisdiction and authority of certain units of specialized law enforcement established in a county in which a metropolitan police department has been organized; requiring certain officers of such a unit to wear portable event recording devices; providing that certain officers of such units have the powers of a peace officer; providing that such officers are police officers for purposes of certain provisions governing occupational diseases; and providing other matters properly relating thereto.