The premise of the legal effect of the agreement is that it cannot violate laws and regulations, nor can it violate common sense and social morality. Secondly, the person signing the agreement must have full capacity for civil conduct, and the content of the agreement must be a true expression (the agreement signed in an unconscious and forced state is invalid). ?

Finally, the signing of the agreement must be signed or thumbprinted, and the necessary information, such as the signing time, the conditions for entry into force and dissolution, must be clearly written. ?

Article 52 of the Contract Law is invalid under any of the following circumstances:

(1) One party enters into a contract by means of fraud or coercion, which harms the interests of the state; ?

(2) Malicious collusion that harms the interests of the state, the collective or a third party; ?

(3) Covering up illegal purposes in a legal form; ?

(4) damaging the public interest; ?

(5) Violating the mandatory provisions of laws and administrative regulations. ?

Article 53 The following exemption clauses in this contract are invalid:

(1) Causing personal injury to the other party; ?

(2) Causing property losses to the other party due to intentional or gross negligence. ?

Article 54 One party has the right to request a people's court or an arbitration institution to modify or cancel the following contracts:

(1) Due to a major misunderstanding; ?

(2) obviously unfair at the time of conclusion of the contract. ?

If one party leads the other party to conclude a contract against its true meaning by fraud, coercion or taking advantage of others' danger, the injured party has the right to request the people's court or arbitration institution to modify or cancel it. ?

The people's court or arbitration institution shall not revoke the request of the parties. ?

Extended data:

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What are the legal consequences of invalid contracts?

Article 56 of the Contract Law: An invalid contract or a cancelled contract is not legally binding from the beginning. If part of the contract is invalid and does not affect the validity of other parts, the other parts are still valid. ?

Article 57 The invalidity, cancellation or termination of a contract shall not affect the validity of the dispute settlement clauses independently existing in the contract. ?

Article 58: After a contract is invalid or cancelled, the property acquired as a result of the contract shall be returned; If it is impossible or unnecessary to return it, it shall be compensated at a discount. The party at fault shall compensate the other party for the losses suffered as a result. If both parties are at fault, they shall bear their respective responsibilities. ?

Article 59 If the parties collude maliciously and harm the interests of the state, the collective or a third party, the property thus obtained shall be turned over to the state or returned to the collective or the third party. ?

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