The Implementation Regulations for Archives Stored on Microfilm Article 14

When the completion of the photographing of microfilms, the Certification of the records stored on the Microfilm Master shall be completed by the archives management agency item by item to ensure that the content and the order are the same as those on the Original and at the beginning of un-disposed part of the microfilm and its package cover shall be marked as "the same as the Originals".
中文原文 檔案微縮儲存管理實施辦法第14條
微縮母片儲存紀錄之確認,應由檔案管理機關於微縮片攝製完成時,逐一檢視,確定其內容與原始文件內容一致,次序相同後,於微縮片之開端未曝光部位及其外包裝註記「同原檔案」字樣。

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