# The Coal and Other Mines (Horses) Order, 1956, Paragraph 5


No horse shall be carried through any part of a mine on a vehicle except when it is impracticable or dangerous for it to walk because of an accident in that mine, or when the horse has been injured or is ill:
Provided that nothing in this regulation shall restrict the carrying of any horse by means of winding or haulage apparatus through a shaft or staple-pit or on an incline, being an incline too steep for that horse to walk thereon with safety.

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Source: https://www.legislation.gov.uk/uksi/1956/1777/schedule/FIRST/paragraph/5 (the official version)
Page: https://openlegislation.uk/coal-and-other-mines-horses-order-1956/schedule-FIRST/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.