The Law of Ships Article 81

The owner of a passenger small ship shall apply for inspection to the shipping administration authority. The small ship may only carry passengers after having passed the inspection and the passenger quota and navigable waters are being ratified, and marked on the small ship License by the shipping administration authority.Since the first special inspection after one year from the date of implementation of the provisions of the Law on November 6,2018, passenger small ships with age more than 20 years shall prepare ship condition assessment program report certified by Naval Architect with certificate valid less than two years.
中文原文 船舶法第81條
小船所有人應申請航政機關檢查核定乘客定額及適航水域,並註記於小船執照後,始得載運乘客。
載客小船船齡超過二十年者,自本法中華民國一百零七年十一月六日修正之條文施行日起一年後之第一次特別檢查起,應具備造船技師簽證有效期限不超過二年之船況評估方案報告。

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