The oval official seal is valid. The official seal is the most effective of all seals and a symbol of legal person's rights. In the current legislative and judicial practice, it is an important criterion to judge whether a civil activity is established and effective. The so-called official seal is not divided by form. The official seal is the seal of the company name. The contract seal generally represents the validity of the contract, while the legal person seal can be recognized as the signature of the legal person, and the legal person signature is also a form representing the validity of the contract. A contract has both a contract seal and a legal person seal. Does not affect the validity of the contract, that is, it has legal effect. If the organs and organizations of state power, party and government, judiciary, political participation, armed forces, armed police, democratic parties, Communist Youth League, trade unions, women's federations and so on at all levels need to engrave seals, the seal management department of the issuing organ shall issue an official letter and go through the filing formalities with the public security organs of the local people's governments at or above the county level. The public security organ of the people's government at or above the county level shall immediately handle and issue an accurate engraving certificate. No unit or individual may buy or sell seals, or make or use seals illegally.
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.
What is the legal effect of the official seal?
The official seal is the most effective of all seals and a symbol of legal person's rights. In the current legislative and judicial practice, it is an important criterion to judge whether a civil activity is established and effective. Unless there are special provisions in the law, such as the seal of an invoice, the official seal can represent the will of a legal person and sign a contract and other legal documents with high legal effect.