Regulations Governing the Establishment and Management of Customs Brokers Article 19

In event of a change of customs district of service or customs broker employer, the customs clearance agent is required to apply for a new registration and customs broker identification card with the local customs office.
中文原文 報關業設置管理辦法第19條
專責報關人員變更服務關區或報關業,報關業應重新向服務所在地海關辦理登記並申請核發報關證。

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