National Health Insurance Act Article 24

The insurance premium rate for the insured and each of his/her dependents specified in Article 18 shall be proposed by the Insurer for deliberation within one month after the NHIC negotiates and determines the total medical benefit expenditure. However, if the insurance premiums collected based on the maximum rate fail to balance with the total medical benefit expenditure agreed upon for that year, the total medical benefit expenditure shall be renegotiated.Before the review from the preceding paragraph, the NHIC shall invite actuaries, insurance and finance experts, economists, and reputable public figures to provide opinions.The deliberation referred to in the first paragraph shall be completed one month prior to the start of the fiscal year based on the total medical payment amount stipulated in the agreement in order to finalize the revenue and expenditure balance rate review for that year. The result shall be submitted to the Competent Authority, which will forward them to the Executive Yuan for approval, after which the Competent Authority shall make a public announcement. If the deliberation cannot be completed within the specified timeframe, the Competent Authority shall directly submit the matter to the Executive Yuan for approval and subsequent announcement.
中文原文 全民健康保險法第24條
第十八條被保險人及其每一眷屬之保險費率應由保險人於健保會協議訂定醫療給付費用總額後一個月提請審議。
但以上限費率計收保險費,無法與當年度協議訂定之醫療給付費用總額達成平衡時,應重新協議訂定醫療給付費用總額。
前項審議前,健保會應邀集精算師、保險財務專家、經濟學者及社會公正人士提供意見。
第一項之審議,應於年度開始一個月前依協議訂定之醫療給付費用總額,完成該年度應計之收支平衡費率之審議,報主管機關轉報行政院核定後由主管機關公告之。
不能於期限內完成審議時,由主管機關逕行報行政院核定後公告。

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