# The Coal Mines (Cardox and Hydrox) Regulations 1956, Regulation 11


No person shall fire a shell in any mine unless he has been appointed to do so by the manager of that mine and is a person who is, or is qualified to be appointed, a shot firer at that mine.

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Source: https://www.legislation.gov.uk/uksi/1956/1942/regulation/11 (the official version)
Page: https://openlegislation.uk/coal-mines-cardox-and-hydrox-regulations-1956/regulation-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.