Civil jurisdiction in relation to foreign vessels in territorial sea

(1) No foreign vessel passing through the territorial sea shall be stopped or diverted for the purpose only of the exercise of any civil jurisdiction in relation to a person on board the (2) Subject to sub-section (3), no person shall arrest or levy execution against a foreign vessel passing through the territorial sea for the purpose of any civil proceedings, except where the proceedings are in respect of obligations or liabilities assumed 24 or incurred in relation to the vessel in the course or for the purpose of its voyage through the territorial sea. (3) Sub-section (2), in so far as it prohibits the arrest of, or levying of execution against, a foreign vessel, shall not apply in the case of a foreign vessel which is lying in or passing through the territorial sea after leaving internal waters.