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Manual of the Laws of Naval War. Oxford, 9 August 1913.
Section VI : On the rights and duties of the belligerent in occupied territory - Art. 88.
Art. 88. Occupation: extent and effects. Occupation of maritime territory, that is of gulfs, bays, roadsteads, ports, and territorial waters, exists only when there is at the same time an occupation of continental territory, by either a naval or a military force. The occupation, in that case, is subject to the laws and usages of war on land.