The Implementation Regulations for Archives Stored on Microfilm Article 15

When the completion of the photographing of microfilms, the Certification for the records stored on the Microfilm Duplicate shall be completed by the archives management agency item by item to ensure that the content is the same as those on the Microfilm Master and at the beginning of un-disposed part of the microfilm and its package cover shall be marked as "the same as the original Microfilm Master".
中文原文 檔案微縮儲存管理實施辦法第15條
微縮副片儲存紀錄之確認,應由檔案管理機關於微縮片攝製完成時,逐一檢視,確定其內容與微縮母片儲存紀錄完全相同後,於微縮片之開端未曝光部位及其外包裝註記「與原件相符」字樣。

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