Classified National Security Information Protection Act Article 16
When the only way to protect classified information is by means of destruction in case of emergency including war, riot or rebellion, the head of the possessing agency or its authorized official shall destroy such information and report to its superior agency.
中文原文 國家機密保護法第16條
國家機密因戰爭、暴動或事變之緊急情形，非予銷毀無法保護時，得由保管機關首長或其授權人員銷毀後，向上級機關陳報。