# The Coal and Other Mines (Locomotives) Order 1956, Paragraph 18


No person for the time being operating a locomotive in a mine shall leave that locomotive unattended, otherwise than at the place where it is normally kept when not in use, unless he has ensured that it cannot be set in motion by any person prohibited by these regulations from operating it.

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Source: https://www.legislation.gov.uk/uksi/1956/1771/schedule/FIRST/paragraph/18 (the official version)
Page: https://openlegislation.uk/coal-and-other-mines-locomotives-order-1956/schedule-FIRST/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.