Aircraft Flight Operation Regulations Article 285-19

For each flight, the operator shall designate one pilot to act as pilot-in-command (PIC).

中文原文航空器飛航作業管理規則第285-19條

飛機各次之飛航，航空器使用人應指派一名駕駛員擔任機長。

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