The Implementation Regulation for the Management of Electronic Storage of Records Article 4
Permanent records and temporary records shall be stored in separate electronic media.
中文原文 檔案電子儲存管理實施辦法第4條
永久保存檔案與定期保存檔案宜分別儲存於不同之電子媒體。
English translation for reference only; the Chinese text prevails. Not legal advice.