National Health Insurance Act Article 48

In case of the following circumstances, a beneficiary shall be exempted from payment of the expenses prescribed in Article 43 and the preceding article:1. Major illness and injury;2. Child delivery;3. Receiving medical care in mountain regions and outlying islands.The rules relating to the exemption from the payment of expenses as well as major illnesses and injuries referred to in the preceding paragraph, the procedure for applying for proof of major illness and injury, and other relevant regulations shall be determined by the Competent Authority.
中文原文 全民健康保險法第48條
保險對象有下列情形之一者,免依第四十三條及前條規定自行負擔費用:
一、重大傷病。
二、分娩。
三、山地離島地區之就醫。
前項免自行負擔費用範圍、重大傷病之項目、申請重大傷病證明之程序及其他相關事項之辦法,由主管機關定之。

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