Powers of cities, incorporated towns and counties

A. All cities and incorporated towns and counties that contain all or part of a scenic river within the jurisdictional boundaries of the city, town or county are hereby invested with full power to plan, zone and enact all ordinances and regulations that are necessary and proper to carry out the purposes of the Scenic Rivers Act. B. The cities, incorporated towns and counties shall follow their respective general procedures in the conduct of legislative functions. C. In exercising planning and zoning functions, said cities, incorporated towns and counties shall utilize the organization and procedures available to cities and incorporated towns under the general planning and zoning laws of the state. Provided that, when a county exercises the powers provided by the Scenic Rivers Act, the board of county commissioners of that county shall perform the obligations and exercise the powers in the same manner as a local legislative body or mayor of a city, incorporated town or municipality.