Civil Code Article 266
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.
If none of the parties is imputed to the impossibility of one party's performance, the other party shall be released from his obligation to perform the counter-prestation. If the impossibility is only partial, the counter-prestation shall be reduced proportionately.In the case provided in the preceding paragraph, if the counter-prestation has been wholly or partially performed, it may be claimed for the reimbursement in accordance with the provisions concerning Unjust Enrichment.
中文原文 民法第266條
因不可歸責於雙方當事人之事由，致一方之給付全部不能者，他方免為對待給付之義務；如僅一部不能者，應按其比例減少對待給付。
前項情形，已為全部或一部之對待給付者，得依關於不當得利之規定，請求返還。
前項情形，已為全部或一部之對待給付者，得依關於不當得利之規定，請求返還。