Port Access Port access for public vessels is obtained through diplomatic channels, while port access for private vessels is normally arranged by the ship's agent. A schedule of port calls should be provided in the initial clearance request. Port call requests for public vessels must always be submitted through diplomatic channels in accordance with the procedures of the agency concerned.
Similar procedures exist for state aircraft.
Port access for private vessels is normally arranged by the ship's agent in the appropriate country in accordance with local procedures. If there is an unusual justification for the submission of a port call request for a private vessel through diplomatic channels the matter should be discussed with the State Department. It is useful for all port calls associated with a foreign clearance request to be described in the document asking for coastal state consent regardless of the method used to obtain port call clearance. It is the responsibility of the chief scientist to ensure that any necessary visas are obtained for members of the scientific party, including the marine technician. It is the responsibility of the ship's operating institution to arrange for visas that may be required for members of the ship's crew.