Enforcement Rules of the National Health Insurance Act Article 60

Where a beneficiary receives outpatient care service, emergency care service or home-care service in a resource depletion area according to Paragraph 4 of Article 43 of the Act, the self-bearing amount may be reduced by 20%.
中文原文 全民健康保險法施行細則第60條
保險對象於主管機關依本法第四十三條第四項所定之醫療資源缺乏地區接受門診、急診或居家照護服務,其應自行負擔之費用,得予減免百分之二十。

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