Effective. Look at the effective terms of the contract. If the effective terms of the contract are signed and sealed, and there is evidence to prove that the signature of the legal representative is forged, the contract may be declared invalid. If the contract is signed or sealed, the contract is valid unless there is sufficient evidence to prove that the official seal of the contract was not stamped by the holder or the company custodian when signing the contract, if it is lost.

Legal analysis

The validity of a contract means that the parties to the contract must perform their contractual obligations and may not change or cancel the legally binding force of the contract without authorization, that is, the legal effect. This "legal effect" does not mean that the contract itself is a law, but that because the will of the parties to the contract conforms to the will of the state and social interests, the state entrusts the will of the parties to the contract with binding force, requiring them to strictly perform the contract, otherwise relying on the coercive force of the state, requiring them to perform the contract and bear the liability for breach of contract. As long as it is stamped, the contract has legal effect. The official seal of the company is the seal of the company to handle internal and external affairs. Official letters, documents and reports issued by the company to the outside world shall be stamped with official seals, and documents stamped with official seals shall have legal effect. The official seal is held by the legal representative of the company. If the legal representative uses the official seal together with the official seal, it represents the company's behavior. A contract is invalid under any of the following circumstances: (1) one party concludes a contract by fraud or coercion, which harms the interests of the state. (2) Malicious collusion that harms the interests of the state, the collective or a third party. (3) Covering up illegal purposes in a legal form. (4) harming the public interest. (5) Violating the mandatory provisions of laws and administrative regulations.

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.