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Endorsement of change of master on certificate. 
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19. Where the master of a registered British ship is changed, each of the following persons; (that is to say,) 
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(a) if the change is made in consequence of the sentence of a naval court, the presiding officer of that court; and 
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(b) if the change is made in consequence of the removal of the master by a court under Part VI. of this Act, the proper officer of that court; and 
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(c) if the change occurs from any other cause, the registrar, or if there is none the British consular officer, at the port where the change occurs, 
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shall endorse and sign on the certificate of registry a memorandum of the change, and shall forthwith report the change to the Registrar-General of Shipping and Seamen; and any officer of customs at any port in Her Majesty’s dominions may refuse to admit any person to do any act there as master of a British ship unless his name is inserted in or endorsed on her certificate of registry as her last appointed master. 
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