Physicians Act Article 41-6

Under special circumstances or emergency status as announced by the competent central authority, physicians with physician licenses or permits to practice medicine from countries or areas such as the USA, Japan, Europe, Canada, South Africa, Australia, New Zealand, Singapore, or Hong Kong and who have practiced clinical medicine for at least 10 years may apply to competent central authorities for a short-term practice certificate with a validity lasting no more than 1 year. Upon expiration of the certificate, if necessary, certificate holders may apply to competent central authorities for an extension.Regarding the short-term practice certificate mentioned in the previous paragraph, the competent central authority regulates the application qualifications, procedures, documents and data required in application, certificate issuing, period of validity, invalidation, extension, alteration, practice registration, location, limitation to the number of applicants, regulations for practicing medicine, and other matters with which compliance is essential.
中文原文 醫師法第41-6條
有中央主管機關公告之特殊或緊急情事時,領有美國、日本、歐洲、加拿大、南非、澳洲、紐西蘭、新加坡及香港等國家或地區醫師證書或許可執業證明,執行臨床醫療業務十年以上者,得向中央主管機關申請發給短期行醫證,效期不得逾一年;效期屆滿有展延必要者,得向中央主管機關申請展延。
前項短期行醫證之申請資格、程序、應檢附之文件資料、核發、效期、廢止、展延、變更、執業登錄、地點、人數限制、執行醫療業務規定及其他應遵行事項之辦法,由中央主管機關定之。

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