AS 4983 pdf download – Gas fuel systems for forklifts and industrial engines 1.5.3 Authority(ies) The authority(ies) having regulatory powers to control the design，manufacture andinstallation of equipment described in this Standard in the country，State or Territory inwhich the equipment is registered. NOTES: l In some areas，industrial equipment installations and stationary installations are under thecontrol of different authorities. 2A listing of...