MERCHANT SHIPPING (SEAFARERS) (CREW AGREEMENTS, LISTS OF CREW AND DISCHARGE OF SEAFARERS) REGULATION
Duration of lists of crew
A list of crew shall remain in force-
(a) if any seafarer is employed in the ship under a crew agreement, until all the seafarers employed under that agreement in that ship have been discharged; and
(b) in any other case, until the ship first calls at a port more than 6 months after the first entry relating to a seafarer is made in the list.