Civil Aviation Act Article 26

CAA shall conduct periodical physical examinations of aircraft pilots, flight engineer and air traffic controller as well as temporary checks. Those meeting the standard will be issued a medical certificate which should be carried with the person in performing his or her duties. Those who fail to pass the physical examination shall be suspended from duty.CAA shall prescribe measures relating to the preceding airmen’s bodily constitution, timing of physical examination, items of physical examination, procedure for requesting a review of those who fail to pass the physical examination and conditions for submitting such a request for review, the length of time required, collection of fees for such physical examination and rating, issuance of medical certificate and the basis on which those who fail to pass physical examination must be suspended from duty.Airmen’s physical examination stated in paragraph one may be handled by a CAA commissioned agency or body. CAA shall provide measures relevant to the qualification, condition obligation and supervision of such an agency or body so commissioned.
中文原文 民用航空法第26條
航空器駕駛員、飛航工程師、飛航管制員之體格,應經民航局定期檢查,並得為臨時檢查;經檢查符合標準者,由民航局核發體格檢查及格證,並應於執業時隨身攜帶;經檢查不合標準者,應停止其執業。
前項航空人員體格之分類、檢查期限、檢查項目、檢查不合標準申請覆議之程序與提起複檢條件、期間之規定、檢查與鑑定費用之收取、體格檢查及格證之核發及檢查不合標準時停止執業之基準等事項之檢查標準,由民航局定之。
第一項航空人員體格檢查業務,得委託機關、團體辦理之;受委託者之資格、條件、責任及監督等事項之辦法,由民航局定之。

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