Regulations Governing the Implementation of Filing Trademark Applications and Services by Electronic Means Article 10

Where the Registrar Office is to notify the user in accordance with Article 7 to the preceding article, the notification shall be made via e-mail or other ways provided by the Registrar Office; notification by a hard copy will not be served.In case the first delivery in the methods prescribed in the preceding paragraph fails, the Registrar Office shall make the delivery once more in the methods prescribed in the preceding paragraph.The user shall ensure the e-mail provided is functioning properly, and shall duly check for any notification from the Registrar Office after the electronic transmission has been made.
中文原文 商標電子申請及電子送達實施辦法第10條
商標專責機關依第七條至前條規定通知使用人,應以電子郵件或商標專責機關提供之其他方式通知之,不另以紙本送達之。
商標專責機關依前項規定之方式通知失敗者,應依前項規定之方式再通知一次。
使用人應確保所提供之電子信箱可正常收受郵件之狀態,並於電子傳達後適時查閱商標專責機關之通知。

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