Ga. Code § 48-13-54
Any state park operated under the jurisdiction of the Department of Natural Resources, or a state authority that is administratively attached to the Department of Natural Resources, which state park or authority regularly furnishes for value lodge rooms as well as meals and conference or meeting facilities or has a minimum of 20 cabins and which rooms, facilities, or cabins located in a county or municipality levying a tax under this article shall, as provided in this Code section, agree to collect and remit to the county or municipality within whose taxing jurisdiction the facility is located amounts which are equal to, or partially equal to, the amounts which would be collected and remitted to the county or municipality under the tax levied by the county or municipality under Code Section 48-13-51 if such rooms, facilities, or cabins were privately operated. The sums so collected and remitted shall only be expended for development, promotion, and advertising of such rooms, facilities, or cabins from which the money was collected and remitted or for similar purposes of promoting, advertising, stimulating, and developing conventions and tourism in the county or municipality in which such rooms, facilities, or cabins of the state park or state authority are located so long as said promotion or advertising prominently features the state park or state authority rooms, facilities, or cabins.
OCGA § 48-13-54