Regulations on Counseling and Management of Immigration Service Organizations Article 20

An attorney who provides immigration services in accordance with the proviso of Paragraph 1 of Article 55 of the Act must, if the law firm establishes a branch office, attach the following documents after registering the establishment of the branch office in accordance with the laws, and report them to the NIA for future reference:1. Proof of establishment of the branch office.2. A photocopy of the resident Attorney's Certificate and proof of membership in the local bar association.
中文原文 移民業務機構及其從業人員輔導管理辦法第20條
依本法第五十五條第一項但書規定經營移民業務者,其律師事務所設立分事務所,應於依法辦理分事務所設立登記後,檢附下列文件,報請移民署備查:
一、分事務所設立證明。
二、常駐律師之律師證書及加入地方律師公會證明之影本。

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