79. Precautions against electrical hazards and hazard of a running engine
.-No mechanically propelled vehicle for the petroleum shall be loaded or unloaded until its engine has been stopped and battery is isolated from the electrical circuit. The engine shall not be restarted and the battery shall not be connected to the electrical circuit until tanks and valves have been securely closed:Provided that this rule shall not apply in the case of unloading of a tank vehicle into the fuel tank of aircraft in accordance with the rules framed under the Aircraft Act, 1934 (22 of 1934) or in any other case as may be authorised, in writing, by the Chief Controller subject to such conditions as he may specify in that behalf.
