Regulations for Administrating Pilots Article 17

If a pilot is hired as a long-term pilot by a vessel navigating in a compulsory pilotage district, with the approval of the shipping administration authority, the Certificate of Registry shall mark the name of the company piloting the vessel, as well as the navigation area or sailing routes.
中文原文 引水人管理規則第17條
在強制引水區域之航行船舶,經航政機關核准僱用之長期引水人,應在引水人登記證書上註明領航船舶之公司名稱及航行區域或航線。

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