Regulations for Passenger Ship Administration Article 42

In case of modification of a passenger ship that may substantially affect the stability, the ship shall undergo the inclining experiment once again. In addition, the revised information shall be sent to the shipping administration authority or ship register institute for approval.
中文原文 客船管理規則第42條
客船經過改裝足以影響穩度資料時,應重作傾側試驗並修正穩度資料,送請航政機關或驗船機構審定。

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