Private Security Service Act Article 19

Security companies that provide security services without a license or with a revoked license shall be ordered to terminate the business and be subject to a fine between NTD 30,000 and NTD 300,000.
中文原文 保全業法第19條
未經許可或已經撤銷許可而仍經營保全業務者,應勒令歇業,並得處新臺幣三萬元以上三十萬元以下罰鍰。

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