ICRC databases on international humanitarian law
Treaties and Documents
1949 Conventions and Additional Protocols, and their Commentaries
Historical Treaties and Documents
Convention (XIII) concerning the Rights and Duties of Neutral Powers in Naval War. The Hague, 18 October 1907.
Art. 15. In the absence of special provisions to the contrary in the legislation of a neutral Power, the maximum number of warships belonging to a belligerent which may be in one of the ports or roadsteads of that Power simultaneously shall be three.