The Implementation Regulations for Archives Stored on Microfilm Article 5
Permanent records and temporary records shall be photographed on separate microfilms.
中文原文 檔案微縮儲存管理實施辦法第5條
永久保存檔案與定期保存檔案以分別拍攝於不同微縮片為原則。
English translation for reference only; the Chinese text prevails. Not legal advice.