No person under 15 years of age shall operate a moped upon the highways in this state. No person shall operate a moped upon the highways in this state unless he or she has in his or her possession a valid driver's license, instruction permit, or limited permit issued to him or her pursuant to Chapter 5 of this title; provided, however, that all classes of licenses, instruction permits, or limited permits issued pursuant to Chapter 5 of this title shall be valid for the purposes of operating mopeds upon the highways in this state.
OCGA § 40-6-351