Legal analysis
The constitutive requirements for the effectiveness of the contract: 1. The parties to a contract have the corresponding ability to conclude a contract. /kloc-minors over 0/8 years old, or minors over 0/6 years old but under 0/8 years old, have the right to conclude contracts with persons with full capacity for civil conduct whose main source of livelihood is their own income. Mental patients who can't identify their own behavior and minors under the age of 8 are persons without civil capacity. They can't enter into a contract and need a legal representative to represent them. However, a person with limited capacity for civil conduct may conclude a pure income contract or a contract suitable for his age and intelligence. Legal persons have the ability to conclude contracts within their production and business scope. 2. The intention of the parties to the contract is true. 3. The contract does not violate the law or public interest. 4. The contents of the contract must be definite or possible. In addition, according to the provisions of the Contract Law, contracts that should be approved and registered according to laws and administrative regulations must go through the approval and registration procedures in accordance with regulations before they can take effect; Otherwise, even if the above general contract entry requirements are met, the contract will not take effect.
legal ground
Article 490 of the Civil Code of People's Republic of China (PRC): If the parties conclude a contract in the form of a contract, the contract is concluded when the parties sign, seal or fingerprint it. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it. A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.