Regulation 46 Additional qualifications—shot firers and persons appointed to fire shots by fuse

Without prejudice to the generality of Part II of these regulations, no person shall, with respect to any part of a mine to which this Part of these regulations applies, be qualified to be appointed or to be a shot firer or person appointed to fire shots by fuse unless he has within the last preceding five years obtained a certificate that he was then able to make accurate tests for inflammable gas (so far as is practicable with a flame safety-lamp) being a certificate granted—