Online registration before entering Taiwan (free of charge)

Foreign Nationals need to register this form before arriving to Taiwan.

https://twac.immigration.gov.tw/

Instructions for Submitting Online Arrival Card

Please submit your Online Arrival Card before arriving in Taiwan.
Please fill out the Arrival Card accurately and truthfully. If there are any errors or omissions in the information provided, please fill out the Arrival Card again and submit it.
The "English name" field in the Arrival Card only accepts English letters and spaces. Please do not input any other symbols.
If you choose to fill out the Arrival Card in Chinese, only Traditional Chinese is accepted.
Once the Arrival Card is completed and submitted, you will receive a confirmation e-mail (please ensure the e-mail address you provide is correct and valid). Additionally, immigration officers may request you to present the confirmation e-mail for further verification if needed.

https://twac.immigration.gov.tw/