Blasting cartridges and authorised explosives of classes 1 to 4 that have been in stock in a magazine for over three months and other blasting explosives in stock for over six months, shall not be issued for use or be used, without the prior permission in writing of an inspector. Whenever such blasting explosives are present in a
magazine the magazine master shall forthwith report to the Chief Inspector of Explosives the types and quantities of each concerned and the reasons why they are still in stock.
