Immigration Act Article 48

Before an aircraft, a vessel, or any other means of transport arrives at or departs from an airport or a seaport, its captain, or transport service proprietor shall notify the National Immigration Agency (in advance of scheduled arrival and departure) of the following information, which shall be divided into entry, exit and transit respectively.1. The flight/vessel number, the date, time and location of departure and arrival, and other information related to the flight/vessel.2. A list of the names, birth dates, nationalities, genders, numbers of the travel documents or entry permits, and other information related to the identification documents of the flight/vessel crew and passengers.3. The booking information and other information related to the booking retained in the system of the transport service proprietor or its agents.The competent authority shall enact regulations with respect to the content, methods, management, utilization, and retention period of the information to be notified, as stated in the preceding Paragraph and other matters which must be complied with.
中文原文 入出國及移民法第48條
航空器、船舶或其他運輸工具入出機場、港口前,其機、船長或運輸業者,應於航前向移民署通報下列資料,並區分為入、出國及過境:
一、航班編號、啟程與抵達之日期、時間、地點及其他航班相關資訊。
二、機、船員與乘客之姓名、出生年月日、國籍、性別、旅行證件或入國許可證件之號碼及其他證件相關資訊。
三、運輸業者或其代理業者訂位系統留存之乘客訂位資訊及其他訂位相關資訊。
前項通報資料之內容、方式、管理、運用、保存年限及其他應遵行事項之辦法,由主管機關定之。

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