(1) In the case of a county, the county executive unless there is none, in which case it shall mean the county manager if there is one, or the chairman of the board of supervisors if there is neither a county executive nor county manager.

(2) In the case of cities, the mayor, except in those cities having a city manager, it shall mean such city manager.

(3) In the case of towns, the supervisor or presiding supervisor.

(4) In the case of villages, the mayor, except in those villages having a president or manager, it shall mean such latter officer. c. The term "chief of police" shall include any police officer in command of the police department or police force of a local government during the absence, illness or disability of the chief of police or who is authorized to exercise the powers of the chief of police in emergency situations. 2. Notwithstanding the provisions of any general, special or local law or of any county, city or village charter, the chief executive officer of a local government, whenever he deems that the public interest requires it, may request the chief executive officer of any other local government to detail, assign and make available for duty and use in the local government for which the request is made any part of the forces, equipment and supplies of the police department, police force or parkway police force of the local government of which the request is made. The chief executive officer of the local government of which the request is made is hereby authorized and empowered to grant the request so made. 3. A local government may, by local law, delegate to the chief of police of its police department or police force the powers hereby granted to a chief executive officer to request and grant police assistance. 4. If the chief executive officer of any such local government is absent or disabled, the chief of police of the local government may make any such request or may grant any such request, as the case may be. 5. The local government receiving police aid pursuant to this section shall assume the liability for all damages arising out of any act performed in rendering such aid and shall reimburse the assisting local government for any moneys paid by it for salaries or for other expenses incurred by it including damage to or loss of equipment and supplies. An assisting local government may assume such loss, damage, expenses or cost for such equipment and supplies and donate such services to the receiving local government. While engaged in duty and rendering services in such local government the officers and members of such police department or police force shall have the same powers, duties, rights, benefits, privileges and immunities as if they were performing their duties in the local government in and by which they are normally employed.