Regulations for Administrating Pilots Article 44

Any pilot who finds a signal signifying the requirement for a port patrol boat in the course of piloting shall report the same immediately via radio to the shipping administration authority or the port authority.
中文原文 引水人管理規則第44條
引水人於領航途中發現顯示招請港務巡船之信號時,應立即用無線電報告航政機關或商港管理機關。

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