(1) Policy. In preparing and executing the emergency management program, the services, equipment, supplies and facilities of the existing departments and agencies of the county shall be utilized to the maximum extent practicable, and the officer and personnel of all such departments and agencies are directed to cooperate with and extend such services and facilities as are required of them.

(2) Joint Action. Municipalities entering into joint action with the county will provide for utilization of existing services of municipal government by enactment of an ordinance parallel to this chapter.