Jurisdiction — Territorial — Over Ports and National Waters-Detention of Foreign Vessels — In Time of War — For Purpose of Investigating Officers and Crews — Denial of Bunker and Export Cargo Licences.

State Responsibility — Executive Action — Detention of Foreign Vessels in Time of War — Purpose of Investigation of Officers and Crews — Detention of Finnish Vessels in the United States in 1918 — Jurisdiction over Ships in Port.