O.C.G.A. § 40-1-163: Rates and charges.

(a) Notwithstanding the powers granted to the department regarding tariffs of other motor carriers, the department is not authorized to set, adjust, or change rates or charges for transportation of passengers, property, or passengers and property by a vehicle of a type listed in Code Section 40-1-151 that is managed, operated, owned, leased, rented, or controlled by a limousine carrier.

(b) Any tariff issued by the department that exists as of June 30, 2007, that regulates the rates or charges for transportation of passengers, property, or passengers and property by a vehicle of a type listed in Code Section 40-1-151 that is managed, operated, owned, leased, rented, or controlled by a limousine carrier shall be void.