Civil Code Article 105
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 effectiveness of an expression of intent of an agent is impaired by the lack of intent, by fraud, or by duress, or by knowledge, or by culpable ignorance of certain circumstances, the existence of the fact shall be determined with regard to the agent.But if the agent derives his authority from a juridical act and the expression of intent was made following the definite instructions of the principal, the existence of the fact shall be determined with regard to the principal.
中文原文 民法第105條
代理人之意思表示，因其意思欠缺、被詐欺、被脅迫，或明知其事情或可得而知其事情，致其效力受影響時，其事實之有無，應就代理人決之。
但代理人之代理權係以法律行為授與者，其意思表示，如依照本人所指示之意思而為時，其事實之有無，應就本人決之。
但代理人之代理權係以法律行為授與者，其意思表示，如依照本人所指示之意思而為時，其事實之有無，應就本人決之。