The Seafarer Act Article 70
The watchkeeping seafarer shall observe the rules of the collision regulation, and signal siren or hang up signals as provided.
中文原文 船員法第70條
當值船員，應遵守航行避碰規定，並依規定鳴放音響或懸示信號。
English translation for reference only; the Chinese text prevails. Not legal advice.