Trademark Act Article 38

Change and correction of registration; time limit on division and restrictionNo amendments shall be made to the reproduction of a trademark and the designated goods or services thereof after the trademark has been registered, unless such amendment is a restriction of designated goods or services.Articles 24 and 25 shall apply mutatis mutandis to any change or correction of the particulars of a trademark registration.If an application for opposition, invalidation or revocation has been entered at the Registrar Office against a registered trademark, any division of the registration or restriction of the designated goods or services shall be requested before the disposition of the application is rendered.
中文原文 商標法第38條
商標圖樣及其指定使用之商品或服務,註冊後即不得變更。
但指定使用商品或服務之減縮,不在此限。
商標註冊事項之變更或更正,準用第二十四條及第二十五條規定。
註冊商標涉有異議、評定或廢止案件時,申請分割商標權或減縮指定使用商品或服務者,應於處分前為之。

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