Regulations Governing Interview Implementation by the National Immigration Agency, Ministry of the Interior Article 6

Where an interview is conducted after the applicant is first inspected and granted an entry permit, the NIA shall inform the applicant that they may engage an attorney/attorneys.No more than three attorneys shall be appointed.Upon first arriving onsite, attorneys who are appointed (below, “appointed attorneys”) shall submit their letter of appointment to the NIA; where such a letter is not submitted upon first arrival, it shall be supplemented within fifteen days of the day after the interview concludes. Where the letter is not supplemented by the deadline, the opinions and content contained within shall not be adopted.A letter of appointment mentioned in the previous paragraph shall specify the following matters:1.The applicant’s full name, contact telephone number, and address.2.The full name, contact telephone number, and address of the attorney/attorneys.3.The reason for the appointment.4.The day, month, and year of the appointment.When an appointed attorney arrives onsite, the NIA may verify their identity.Where an applicant revokes an attorney appointment before the interview is conducted, the NIA must be notified in writing of such revocation; only then shall the revocation have effect upon the NIA.
中文原文 內政部入出國及移民署實施面談辦法第6條
面談於經查驗許可入國(境)後進行者,移民署應告知申請人得委任律師。
委任律師,不得逾三人。
受委任之律師(以下簡稱受任律師)應於最初到場時,向移民署提出委任書;未及於最初到場提出者,應於實施面談結束之翌日起十五日內補正;逾期未補正者,其表示之意見及內容不予採納。
前項委任書應記載下列事項:
一、申請人姓名、聯絡電話及地址。
二、律師姓名、聯絡電話及地址。
三、委任事由。
四、委任年、月、日。
受任律師到場時,移民署得查證其身分。
申請人於實施面談前撤回委任者,經以書面通知移民署後,始對移民署發生效力。

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