b) The gross tonnage of the passenger vessel shall be fifty% of the most GT revealed inside the certificate issued by a registry towards the vessel According to rules. Trang ch? Gi?i thi?u T?ng quan ngành DTQG Lãnh ??o T?ng c?c Nhi?m v? quy?n h?n T? ch?c b? máy L?ch s? ng&agr