Exercise of police powers by authority; delegation of powers

(a) The authority is empowered to exercise such of the police powers of the state as may be necessary to maintain peace and order and to enforce any and all zoning, use, and personal conduct restrictions upon the properties, facilities, and persons under its jurisdiction to the extent that such is lawful under the laws of the nation and the state. In addition, and upon the adoption by the authority of a resolution so stating, the authority is empowered to exercise the police powers of the state in areas up to within 300 yards of the shoreline of the islands, as such areas are specified in the resolution. The authority may delegate all or any part of the performance of these functions temporarily or permanently to the state or to the county in which the park is located. (b) The authority shall have legislative power to adopt reasonable ordinances relating to the property, affairs, and administration of Lake Lanier Islands for which no provision has been made by general law and which are not inconsistent with the general laws and Constitution of the State of Georgia. The authority is further authorized to adopt ordinances adopting by reference any or all of the provisions of Chapter 6 of Title 40 in the same manner as a local authority under Code Section