Regulations Governing the Implementation of Filing Trademark Applications and Services by Electronic Means Article 6

The electronic trademark application documents submitted via electronic transmission shall meet the following requirements:1. the file format, sizes in bytes, format of electronic packet, means of transmission and the electronic filing software used shall all meet the requirements provided by the Registrar Office; and2. a valid digital signature or electronic autograph must be provided.
中文原文 商標電子申請及電子送達實施辦法第6條
電子傳達之商標電子申請文件應符合下列要件:
一、檔案格式、檔案位元組大小、電子封包格式、傳送方式及使用之電子申請軟體,應符合商標專責機關之規定。
二、備具有效之數位簽章或電子簽名。

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