Regulation 53

The manager of every mine shall ensure that cartridges for horse killing are issued from the explosives store only to a person appointed to have custody of horse killing apparatus and in a case or box with a lock provided by the owner of the mine.

No person shall put any cartridge for horse killing into a receptacle containing any other kind of explosive or a detonator.

Every person having a case or box of cartridges for horse killing shall keep it separate from any other receptacle containing explosive or detonators and shall keep it locked.

No person shall remove any cartridge for horse killing from its case or box below ground until it is required for immediate use.