Regulations Governing the Establishment and Management of Customs Brokers Article 6

A customs broker granted approval for establishment planning to establish operations in another customs district should separately apply for customs broker operating license issuance at the competent district customs authority or its branch office. The customs broker may use a customs broker operating license issued by any customs office to apply for a cross-jurisdiction area online declaration processing and appointed a liaison person with the government authorities.The procedure for the implementation of the cross-jurisdiction area online declaration processing mentioned in paragraph 1 is subject to the instruction of the Customs Administration after Cargo Clearance Automation conditions are determined.
中文原文 報關業設置管理辦法第6條
經核准設置之報關業,擬在其他關區營業時,仍應分別依規定向所在地關區或其分關申請核發報關業務證照。
但報關業得檢具申請書向原核發報關業務證照之關區或其分關申請辦理跨區連線,並指定接洽公務之報關業。
前項跨區連線申報之實施,應由財政部關務署視貨物通關自動化情形公告後為之。

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