Compulsory Automobile Liability Insurance Act Article 31

(Deduction of Insurer’s Liability)In the event of an automobile traffic accident involving an insured vehicle, where the insured has already made a partial payment for damages, the insurer shall be liable for payment of insurance benefits only for the remaining amount up to the coverage limit specified herein, after deducting the compensation already paid by the insured. However, if the claimant and the insured have agreed that no such deduction is to be made, such agreement shall take precedence.If the insured makes an advance payment for damages as described above, the insurer shall reimburse the insured for the amount paid, up to the coverage limit specified herein. This provision shall not apply in cases where the agreement specified in proviso of the preceding paragraph dictates otherwise.
中文原文 強制汽車責任保險法第31條
被保險汽車發生汽車交通事故,被保險人已為一部之賠償者,保險人僅於本法規定之保險金額扣除該賠償金額之餘額範圍內,負給付責任。
但請求權人與被保險人約定不得扣除者,從其約定。
前項被保險人先行賠償之金額,保險人於本法規定之保險金額範圍內給付被保險人。
但前項但書之情形,不在此限。

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