The Motion Picture Act Article 12

Where the following conditions are met, motion pictures or advertisements for motion pictures shall reapply for a rating:1. Where the end of the authorized screening period has been reached, but further screening is desired;2. Where the name, plot, or rating of a motion picture during its authorized screening period is changed by the applicant;3. Where the reason for denying a rating has been removed.
中文原文 電影法第12條
電影片、電影片之廣告片有下列情形之一者,應重行申請審議分級:
一、准映期滿仍須映演。
二、准映期間內申請人變更片名、情節或級別。
三、原不予審議分級原因消失。

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