Recommendation C-12-11 on the IATTC-WCPFC overlap area establishes that “in the case of vessels listed in the registers of both organizations, the corresponding flag Member shall decide and notify to both Commissions under which of the two commissions those vessels shall operate when fishing in the overlap area, as regards the application, for a period of not less than three years, of the conservation and management measures of that Commission.” The notifications by the flag Members pursuant to this provision are available here.
Notifications concerning the IATTC-WCPFC overlap area: