Tenn. Code Ann. § 55-21-202: Refueling service at self-service pumps - Price

(a) Every person operating a gasoline service station, or other facility that offers gasoline or other motor vehicle fuel for sale to the public from such a station or facility, shall provide, upon request, refueling service at the self-service pumps to a disabled driver of a vehicle that displays a disabled person's or disabled veteran's plate or placard, issued by the department of safety.

(b) The price charged for the gasoline in such a case shall be no greater than that which the station or facility otherwise would charge the public generally to purchase gasoline or motor vehicle fuel without refueling service.