Maritime Act Article 46

Where the entirety of a ship is provided for carriage within a fixed period of time, the carriage can only be carried out by a manner either mutually agreed or subject to the characteristics of the ship.
中文原文 海商法第46條
以船舶之全部於一定時期內供運送者,託運人僅得以約定或以船舶之性質而定之方法,使為運送。

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