Enforcement Rules for the Compulsory Automobile Liability Insurance Act Article 5

The basis for calculating unearned premium provided in Article 20, paragraph 5, and Article 21, paragraph 3 of this Act is as follows:1. If the policy period is less than one (1) year, the premium shall be calculated pro rata to the number of days to expiry in the given year and the entire period of the insurance using the original premium less both the insurer's business expenses and any expenses needed to ensure the soundness of this Insurance in the given year.2. If the policy period is one (1) year or more, the insurer shall return all premiums for the years not yet elapsed. The premiums for the insurance period of less than one year in the given year not yet elapsed shall be refunded in accordance with the preceding subparagraph.After the insurer refunds the unearned premium pursuant to the preceding paragraph, the insurer is entitled to claim for refund of amounts respectively allocated to the Property Insurance Stabilization Fund and the Motor Vehicle Accident Compensation Fund (hereinafter "Compensation Fund").The dollar amount in the preceding paragraphs shall be rounded to the nearest NT Dollar.
中文原文 強制汽車責任保險法施行細則第5條
本法第二十條第五項及第二十一條第三項所定未到期之保險費,其計算方式如下:
一、未到期之保險期間未超過一年者,保險人應以扣除當年度保險人之業務費用及健全本保險之費用後剩餘之保險費,按當年度未到期日數與保險期間之比例計算。
二、未到期之保險期間等於或超過一年者,保險人應將未經過年度之保險費全數退還。
當年度不足一年之未到期保險期間應退還之保險費,依照前款退費方式辦理。
保險人依前項規定返還未到期之保險費後,其所含安定基金及特別補償基金之分擔額,得分別向財團法人保險安定基金及財團法人汽車交通事故特別補償基金(以下簡稱特別補償基金)請求歸還。
依第一項規定計算之金額尾數不滿新臺幣一元者,按四捨五入計算。

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