O.C.G.A. § 12-3-12 (2019)

(a) As used in this Code section, the term ‘‘change in services’’ means the:

(1) Permanent change of a primary existing operational function;

(2) Reduction by 50 percent or more of the hours of operation or services; or

(3) Closure of any state park, historic site, or recreational area operated by or pursuant to the authority of the department.

(b) Prior to making a change in services, the department shall provide 60 days’ notice to the governing authority of each municipality and county in which any part of the state park, historic site, or recreational area is located regarding the specific proposed change in services. The notice required by this Code section shall be made in writing and sent to the applicable chairperson of the county commissioners and the mayor of the municipality.