The Enforcement Rules of Dietitian Act Article 11

Where a nutrition counseling institution suspends operations or is subject to the penalty of practice license revocation or cancellation, the signboard of the institution should likewise be removed.
中文原文 營養師法施行細則第11條
營養諮詢機構歇業或受撤銷、廢止開業執照處分者,其原掛招牌,應予拆除。

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