Civil Code Article 180
This English translation was last updated on 2021-01-20, but the Chinese text was amended on 2026-08-17. Later amendments may not be reflected in the translation — please refer to the Chinese text.
In any of the following cases, the prestation shall not be claimed to return:(1) If the prestation was for the performance of a moral obligation;(2) If the prestation made by the debtor for the performance of an undue obligation;(3) If the person who has made a prestation for the purpose of performing an obligation knew, at the time of performance, that he was not bound to perform;(4) If the prestation was made for an unlawful cause. Except when the unlawful cause exists only with regard to the recipient.
中文原文 民法第180條
給付，有左列情形之一者，不得請求返還：
一、給付係履行道德上之義務者。
二、債務人於未到期之債務因清償而為給付者。
三、因清償債務而為給付，於給付時明知無給付之義務者。
四、因不法之原因而為給付者。
但不法之原因僅於受領人一方存在時，不在此限。
一、給付係履行道德上之義務者。
二、債務人於未到期之債務因清償而為給付者。
三、因清償債務而為給付，於給付時明知無給付之義務者。
四、因不法之原因而為給付者。
但不法之原因僅於受領人一方存在時，不在此限。