# The Merchant Shipping (Official Log Books) Regulations 1981, Regulation 9


(1) The master of a ship shall, on demand, produce to the Registrar General of Shipping and Seamen, a superintendent, a proper officer or an officer of customs the official log book required to be kept in the ship.
(2) A master who fails to comply with this regulation shall be guilty of an offence.

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Source: https://www.legislation.gov.uk/uksi/1981/569/regulation/9 (the official version)
Page: https://openlegislation.uk/merchant-shipping-official-log-books-regulations-1981/regulation-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.