Pilotage Law Article 31

Any pilot shall report the following cases through a most prompt way to relevant authorities, and make the report again in writing in detail upon arrival at a port: 1. Any change of water passage. 2. Any new obstacle found in the water passage, which would impede the safety of navigation 3. Any change of position of a lighthouse, light boat, guidepost, buoy and aid to navigation, or any abnormal or inoperative light, signal and sound supposed to be made. 4. Any ship in distress. 5. Any ship violating navigation laws and regulations.
中文原文 引水法第31條
引水人發現左列情事,應用最迅速方法報告有關機關,並應於抵港時將一切詳細情形,再用書面報告之:
一、水道有變遷者。
二、水道上有新障礙,妨害航行安全者。
三、燈塔、燈船、標桿、浮標及一切有關航行標誌之位置變更,或應發之燈號、信號、聲號失去常態或作用者。
四、船舶有遇險者。
五、船舶違反航行法令者。

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