Regulations for Passenger Ship Administration Article 156

Before a passenger ship safety certificate expires or any entry thereof is altered, the shipowner shall apply in writing to renew the safety certificate. If the business plan of the ship is changed, the revised plan and necessary drawings and specifications shall be attached to the application.
中文原文 客船管理規則第156條
船舶所有人應於客船安全證書期限屆滿前,或客船安全證書內規定事項有變更時,以書面申請換發證書,該船營運計畫有變更時,應檢附計畫書及必要之圖說。

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