a contract signed by only one party is generally invalid. if a contract is signed by only one party, the contract is generally not established. if the parties conclude the contract in the form of a contract, the contract will be established when both parties sign or seal it. Before one party signs or seals, the other party has fulfilled the main obligations in the contract, and holds relevant evidence of fulfilled obligations, which is recognized by the other party, and the contract is established.

legal analysis

under normal circumstances, a contract signed by only one party is not established, and the contract signed by the other party without approval is invalid. If the parties conclude a contract in the form of a contract according to relevant laws, the contract shall be established when both parties sign or seal it. A contract is concluded in writing as stipulated by laws and administrative regulations or agreed by the parties. If the parties fail to conclude the contract in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established. When a contract is concluded in the form of a contract, one party has fulfilled its main obligations before signing or sealing, and the other party accepts it, the contract is established. When concluding a contract, the parties shall have corresponding capacity for civil rights and capacity for civil conduct. The parties may entrust an agent to conclude a contract according to law. In reality, there is indeed a party who cannot perform the contract immediately because of the long journey or because the person in charge of signing and sealing in this case no longer waits; For some reasons, the other party proposes to terminate the contract or the contract is not established on the grounds that the party who performed the contract did not sign and seal it. In this case, the law, based on the principle of fairness and encouraging transactions, adopted the practice of protecting the legitimate rights and interests of the party that has fulfilled its main obligations, and determined that this situation is not valid. _

legal basis

article 49 of the civil code of the people's Republic of China

if the parties conclude a contract in the form of a contract, the contract shall be formed upon signature, seal or fingerprinting by all parties. 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 writing as stipulated by laws and administrative regulations or agreed by the parties. If the parties fail to do so in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.

article 119 a legally formed contract is legally binding on the parties.