If one party has not signed, but one party has fulfilled the main obligations of the contract and the other party has accepted it, the contract will take effect, regardless of whether the recipient has also fulfilled the corresponding obligations; If the main obligations of the contract are fulfilled but not accepted by the other party, the contract will not take effect if it is not established; If both parties fail to perform the main obligations of the contract, the contract will not be established and will not take effect.
Legal objectivity:
Article 143 of the Civil Law of People's Republic of China (PRC) is valid if a civil juristic act meets the following conditions: (1) The actor has corresponding capacity for civil conduct; (2) the meaning is true; (three) does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs. 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. Article 502 of the Civil Code of People's Republic of China (PRC) * * * A contract established in accordance with the law shall take effect upon its establishment, except as otherwise provided by law or agreed by the parties. In accordance with the provisions of laws and administrative regulations, if the contract should go through the approval procedures, such provisions shall prevail. If the failure to go through the formalities such as approval affects the effectiveness of the contract, it will not affect the performance of the obligation clauses such as approval and the effectiveness of relevant clauses in the contract. If the party that should go through the formalities for approval fails to perform its obligations, the other party may require it to bear the responsibility for violating its obligations.