Civil Code Article 88
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 the expression was acting under a mistake as to the contents of his expression of intent, or had known the situation of affairs, he would not make the expression; he may revoke the expression; provided that the mistake or the ignorance of the affairs was not due to his own fault.If a mistake in respect to the qualification of the other party or the nature of a thing is regarded as essential in trade, it shall be deemed a mistake as to the contents of the expression of intent.
中文原文 民法第88條
意思表示之內容有錯誤，或表意人若知其事情即不為意思表示者，表意人得將其意思表示撤銷之。
但以其錯誤或不知事情，非由表意人自己之過失者為限。
當事人之資格或物之性質，若交易上認為重要者，其錯誤，視為意思表示內容之錯誤。
但以其錯誤或不知事情，非由表意人自己之過失者為限。
當事人之資格或物之性質，若交易上認為重要者，其錯誤，視為意思表示內容之錯誤。