Enforcement Rules of the Classified National Security Information Protection Act Article 26

When classified information needs to be reproduced by printing or other means, an official shall be dispatched to monitor the reproduction process. The mode, original draft or other materials used and the half-finished products and discarded products containing recognizable classified information, shall all be destroyed immediately after the reproduction completes. If these mode, original draft or other materials used and the half-finished products and discarded products cannot be destroyed immediately after the reproduction completes, they shall all be treated as reproduced classified information and protected in accordance with the provisions set forth in Article 18 of this Act.Destruction of reproduced classified information pursuant to Article 18 Paragraph 3 of this Act does not require declassification, but requires written records of destruction to be attached to the original classified information.
中文原文 國家機密保護法施行細則第26條
國家機密必須印刷或以其他方法複製時,應派員監督製作。
印製時使用之模具、底稿或其他物品及產生之半成品、廢棄品等,內含足資辨識國家機密資訊者,印製完成後應即銷毀,不能即時銷毀時,應視同複製物,依本法第十八條規定保護之。
依本法第十八條第三項規定銷毀複製物,不經解密程序。
但應以書面紀錄附於國家機密原件。

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