Article 32 of the Contract Law of People's Republic of China (PRC) stipulates that if the parties conclude a contract in the form of a contract, the contract shall be established when both parties sign or seal it.

In general, the establishment of a contract is the prerequisite for the contract to take effect. If both parties do not sign, the contract will not come into effect.

Both parties didn't sign it, but the contract came into effect:

1. A contract is concluded in written form as stipulated by laws and administrative regulations or agreed by the parties, but one party has fulfilled its main obligations and the other party has accepted it.

2. The contract is concluded in the form of contract. Before signing or sealing, one party has fulfilled its main obligations, and the other party accepts it, and the contract is established.

Extended data:

Contract law of the people's Republic of China

Article 44 A legally established contract shall come into force upon its establishment.

Where laws and administrative regulations stipulate that examination and approval, registration and other procedures shall be handled, such provisions shall prevail.

Article 45 The parties may stipulate that the validity of a contract is subject to conditions. A contract with effective conditions shall take effect when the conditions are met. A contract with termination conditions is invalid when the conditions are met.

If the parties improperly prevent the achievement of conditions for their own interests, the conditions are deemed to have been achieved; Those who improperly contribute to conditional achievement are regarded as conditional failure.

Article 46 The parties may stipulate the term of validity of a contract. A contract with an effective term shall take effect upon the expiration of the term. A contract with a termination period is invalid at the expiration of the period.

Article 47 A contract concluded by a person with limited capacity for civil conduct shall be valid after ratification by a legal agent, but a pure benefit contract or a contract that is suitable for his age, intelligence and mental health may not be ratified by a legal agent.

Baidu Encyclopedia-People's Republic of China (PRC) Contract Law