Enforcement Rules of the National Health Insurance Act Article 61

As the Competent Authority announces the beneficiary’s self-contributed amounts for outpatient service under Paragraph 3 of Article 43 of the Act, it may set the amounts based on the average outpatient service expenses of the preceding year among all hospitals and clinics, subject to the limit of the ratios prescribed in Paragraph 1 of the same article.
中文原文 全民健康保險法施行細則第61條
主管機關依本法第四十三條第三項公告之保險對象門診應自行負擔金額,得依各級醫療院、所前一年平均門診分項費用,於同條第一項所定比率內分別訂定。

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