Analysis of information sources in references of the Wikipedia article "IMO number" in English language version.
Every ship shall be provided with an identification number which conforms to the IMO ship identification number scheme adopted by the Organization.
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: CS1 maint: others (link)ENTRIES REQUIRED TO BE MADE IN THE OFFICIAL LOG BOOKS KEPT IN SHIPS REGISTERED IN THE UNITED KINGDOM [...] The name of the ship, its port of registry, official number and gross or register tonnage.