Except where there is an Indefinite Agreement, a List of Crew must remain in force:
(a) if any person is employed in the ship under a Crew Agreement, until all the persons employed under that Agreement in that ship have been discharged; and (b) in the case of a ship engaged on coastal voyages for port authorities, whose crew are returned to shore within each period of 24 hours, for 12 months after the first entry relating to a seaman is made on the list; and (c) in any other case, until the ship first calls at a port more than 6 months after the first entry relating to a seaman is made in the list.
