(2)The Director General shall by directives issued in that behalf, specify the procedure that should be adhered to in respect of classification, packing, labeling and marking, handling and carriage of dangerous goods permitted to be carried on board an aircraft, emergency procedures, investigation into accidents or incidents involving dangerous goods and the training required for persons involved in handling such consignments of dangerous goods. The Director General shall also have the power from time to time, to issue such implementing instructions as may become necessary for the purpose of giving effect to any directives issued by him under this subsection or any requirements prescribed under this section.