Please pay attention to your ARC expiration date, and apply for online extension within 30 days of its expiration.

Submit the required document: passport、photo、old ARC and a enrollment certificate.

If you go back home in summer break, you may
Extend your ARC online before leaving Taiwan:
Submit the required document: passport、photo、old ARC、a enrollment certificate and a flight ticket.
Enter Taiwan before the ARC expires, pay the tuition fees to get the certificate of enrollment for new semester and apply for extension online.
🔗https://coa.immigration.gov.tw/coa-frontend/student/entry