Regulations for Tuna Longline or Purse Seine Fishing Vessels Proceeding to the Pacific Ocean for Fishing Operation Article 23

Fishing gear(s) of any catching vessel shall be equipped with signal flags, radar reflector buoys, or other similar devices so as to identify position(s) and fishing area(s).
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23條
捕撈漁船之漁具,應裝設用以確認其作業位置及範圍之旗幟、雷達反射浮標或其他類似裝置。

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