Regulations Governing Electronic Licensing for the Export and Import of Commodities Article 6

Required documents (or copies thereof) shall be sent by postal mail, faxed, or e-mailed by the applicant; otherwise, the applicant shall apply by means of electronic data transfer mentioned in Article 2 under the import/export regulations of the TITA. The document receipt numbers, along with the signature and/or seal of the applicant or person responsible, shall be affixed on each of the documents. If necessary, the original materials shall be provided to the TITA for verification.When the contents of written documents are converted to the electronic data standard message format for electronic documents, the applicant is exempt from the requirement to submit written documents.
中文原文 輸出入貨品電子簽證管理辦法第6條
申請人辦理電子簽證,依貨品輸出入規定應檢附之書面文件,須加註收件編號,並加蓋申請人及其負責人簽章,以郵寄、電傳、電子郵件或第二條規定之電子資料傳輸方式送達貿易署;必要時,並應提供正本以供核對。
前項應檢附之書面文件內容經納入簽審文件電子資料標準訊息者,得免檢附書面文件。

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