The Seafarer Act Article 25-2

Seafarers, cadets, probationary workers serving on board a ship shall apply to the local shipping administration authority for permission. The regulations on the application qualifications and procedures, repeal of permission, cancellation, employment, duties, management of seaworthiness rules and other related matters shall be prescribed by the competent authority.
中文原文 船員法第25-2條
甲級船員、乙級船員、實習生、見習生及外國籍實習生上船服務,應向航政機關申請許可;其申請資格與程序、許可之廢止、僱用、職責、外國籍實習生之實習人數比率、航行應遵守事項管理及其他相關事項規則,由主管機關定之。

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