Regulations for the Issuance and Administration of Controlled Drugs Prescription Licenses and Registration licenses Article 9

When a holder of a controlled drug prescription license is subject to a disposition suspending the writing of prescriptions for or suspending the administration of controlled drugs, the holder shall immediately surrender the holder's controlled drug prescription license to the FDA, for return when the suspension period subsequently expires.
中文原文 管制藥品使用執照與登記證核發及管理辦法第9條
領有管制藥品使用執照者,受停止處方或停止使用管制藥品處分時,其管制藥品使用執照應隨繳食品藥物署,俟期限屆至時發還之。

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