Regulations on Counseling and Management of Immigration Service Organizations Article 23

If there is any change in the number of immigration specialists employed by a company that acts as an immigration agent, it must be reported to the NIA within 15 days for future reference; if there is less than a quorum of 3 specialists, the company must make up for the change in the number of specialized specialists it employs within 60 days, and report its list of registered specialists to the NIA for future reference.
中文原文 移民業務機構及其從業人員輔導管理辦法第23條
代辦移民業務之公司聘僱之專任專業人員異動時,應於十五日內報請移民署備查;不足法定人數時,應於六十日內補聘僱,並將其名冊報請移民署備查。

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