National Health Insurance Act Article 40

When the beneficiary experience illness, injury, or childbirth, the contracted medical care institutions providing beneficiary medical services shall comply with the medical regulations established under Paragraph 2, as well as the provisions of Paragraphs 1 and 2 of Article 41, including the Fee Schedule and Reference List for Medical Services as well as the drug dispensing items and fee schedule.The Competent Authority shall determine the procedure of medical visits, medical visit advice, provision of insurance medical services, and other regulations concerning medical services of the preceding paragraph. If the beneficiary is in a correctional facility, the restrictions on treatment schedule and venue, as well as matters relating to guarding, transferring, and method of providing insurance medical services, shall be determined jointly by the Competent Authority and the Ministry of Justice.
中文原文 全民健康保險法第40條
保險對象發生疾病、傷害事故或生育時,保險醫事服務機構提供保險醫療服務,應依第二項訂定之醫療辦法、第四十一條第一項、第二項訂定之醫療服務給付項目及支付標準、藥物給付項目及支付標準之規定辦理。
前項保險對象就醫程序、就醫輔導、保險醫療服務提供方式及其他醫療服務必要事項之醫療辦法,由主管機關定之。
保險對象收容於矯正機關者,其就醫時間與處所之限制,及戒護、轉診、保險醫療提供方式等相關事項之管理辦法,由主管機關會同法務部定之。

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