Control Act Article 13

Members of the Control Yuan and its staff shall not disclose a case of impeachment to the public before a decision has been rendered by examination.The Control Yuan shall promulgate an impeachment case when a decision has been rendered by examination. Where a case involved issues of national security, diplomacy, or any other area where confidentiality is legally mandated, such confidential information shall be redacted.
中文原文 監察法第13條
監察院人員對於彈劾案在未經審查決定確定前,不得對外宣洩。
監察院於彈劾案審查決定確定後,應公布之。
其涉及國防、外交或其他法律規定應秘密之案件,應隱去其應秘密之資訊。

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