Regulations for the Fishing Operations of Coastal and Offshore Tuna Longline Fishing Vessels Article 6

Fishing gears of any tuna longline fishing vessel shall be equipped with floats, signal flags, radar reflector buoys or other similar devices so as to identify the position(s) and fishing area(s).
中文原文 沿近海鮪延繩釣漁船作業管理辦法第6條
鮪延繩釣漁船之漁具,應裝設用以確認其作業位置及範圍之浮球、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.