Game Software Rating Management Regulations Article 19

For any Game software launched before the implementation date of amendment to these regulations, 29th May 2012, the person who issued or distributes the Game software as an agent shall indicate the rating in accordance with Article 10 for the Game software owned by itself or any of its distributors or agents and record the registration in the database of the central competent authority of the specific industry.The person who leases, sells, distributes or displays the Game software or provides download of the software under the previous paragraph shall inform the issuer or agent of the Game software to indicate the rating category in accordance with the previous paragraph.
中文原文 遊戲軟體分級管理辦法第19條
本辦法中華民國一百零一年五月二十九日修正施行前已上市之遊戲軟體,其發行或代理遊戲軟體之人就其持有及其經銷商或代理商之遊戲軟體,應依第十條規定標示分級級別並登錄於中央目的事業主管機關之資料庫。
前項遊戲軟體租售、散布、展示陳列或提供下載之人應通知發行或代理遊戲軟體之人依前項規定標示分級級別。

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