3-8-3: DISPENSING:
   A.   Area; Clear View: The dispensing area shall at all times be in clear view of the attendant and the placing or allowing of any obstacle to come between the dispensing area and the attendant control area shall be prohibited. The attendant shall at all times have voice communication with any person in the dispensing area. (1988 Code § 9-804)
   B.   Devices: Approved special dispensing devices, such as, but not limited to, coin-operated and remote-controlled types, are permitted at a self-service station. (1988 Code § 9-808)
   C.   Hose Nozzle Valves: Hose nozzle valves used at a self- service station shall be an approved automatic closing-type, without a latch-open device. (1988 Code § 9-809)