The civil code provides 7 kinds of invalid contract

Legal analysis: 1, the subject is not qualified to sign the contract. 2, the meaning of the contract is not true. 3, the signing of illegal and irregular contracts. 4, against the public order and morals, that is, against the public order and morals of the civil law is invalid. 5, malicious collusion to the detriment of other people's interests of the contract. 7, the exemption clause is invalid situation.

Legal basis: The Chinese People's **** and National Code

Article 144 The civil legal act performed by a person incapable of civil behavior is invalid.

Article 146 A civil legal act committed by a perpetrator and a relative with a false meaning is invalid. The validity of a civil legal act concealed by a false expression of intent shall be dealt with in accordance with the provisions of the relevant laws.

Article 153 A civil legal act that violates the mandatory provisions of laws and administrative regulations shall be invalid. However, the mandatory provisions do not lead to the invalidity of the civil legal act, except. Civil legal acts that violate public order and morals are invalid.

Article 154 A civil legal act in which the perpetrator colludes in bad faith with the opposite party to harm the lawful rights and interests of others shall be null and void.

Article 505 The validity of a contract concluded by a party in excess of its business scope shall be determined in accordance with Section 3 of Chapter 6 of Part I of this Law and the relevant provisions of this Part, and the invalidity of the contract shall not be recognized solely on the basis of the excess of the business scope.

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The above answer, only the current information combined with my understanding of the law, please be careful to reference!

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