; and (ii) each of the Councils concerned shall, not later than 1 year after the date on which the notification is made under clause (i), by a majority of the voting members, present and voting— (I) designate one of the Councils concerned to prepare a fishery management plan for such fishery, or any necessary amendment to such a plan, if the fishery requires conservation and management under this Act; or (II) agree to jointly prepare a fishery management plan for such fishery, or any necessary amendment to such a plan, if the fishery requires conservation and management under this Act. (C) In the case that the Councils concerned are unable to meet the requirements of subparagraph (B)(ii) within the time period specified in such subparagraph, or if their recommendations do not agree, the Secretary shall— (i) designate one of the Councils concerned to prepare a fishery management plan for such fishery, or any necessary amendment to such a plan, if the fishery requires conservation and management under this Act