Regulations for Tuna Longline or Purse Seine Fishing Vessels Proceeding to the Pacific Ocean for Fishing Operation Article 42

For any tuna longline fishing vessel fishing in the IATTC Convention Area, its catch amount of silky sharks in one fishing trip shall not exceed 20% of its total catch amount of the same fishing trip in the IATTC Convention Area.In case that the fishing vessel as referred to in the preceding paragraph fishes with hooks at a depth shallower than 100 meters, the catch of silky sharks of less than 100 centimeters total length shall not exceed 20% of the total number of silky sharks caught during one fishing trip.
中文原文 鮪延繩釣或鰹鮪圍網漁船赴太平洋作業管理辦法第42條
鮪延繩釣漁船於IATTC公約海域作業,其單一航次平滑白眼鮫之漁獲量,不得超過於IATTC公約海域所捕獲總漁獲量之百分之二十。
前項漁船以深度小於一百公尺之淺層下鉤方式者,其單一航次所捕平滑白眼鮫體長在一百公分以下之尾數,不得超過平滑白眼鮫總尾數百分之二十。

English translation for reference only; the Chinese text prevails. Not legal advice.