Legal basis: Civil Code of People's Republic of China (PRC).
Article 147 The actor has the right to request a people's court or an arbitration institution to cancel a civil juristic act committed due to a major misunderstanding.
Article 148 If a party causes the other party to commit a civil juristic act against its true meaning by fraudulent means, the aggrieved party has the right to request the people's court or an arbitration institution to cancel it.
Article 149 If a third party commits a civil juristic act against its true meaning due to fraud, and the other party knows or should know about the fraud, the defrauded party has the right to request the people's court or an arbitration institution to cancel it.
Article 150 If one party or a third party coerces the other party to carry out a civil legal act against its true meaning, the coerced party has the right to request the people's court or an arbitration institution to cancel it.
Article 151 If a party takes advantage of a person's danger and lacks judgment, resulting in obviously unfair when a civil juristic act is established, the injured party has the right to request the people's court or an arbitration institution to cancel it.
Article 155 A civil juristic act that is invalid or revoked is not legally binding from the beginning.