Legal analysis: Yes. Unless the contract clearly stipulates that the signature and seal will take effect, the signature and seal of the legal representative will take effect as soon as it is available; Because the contract law is fixed when it is signed or sealed. The so-called legal person is a person in the legal sense. A legal person is an organization, and the organization must be responsible. Therefore, according to the law or the articles of association of the legal person, the person in charge who engages in civil activities on behalf of the legal person is called the legal representative of the legal person.

Legal basis: Article 490 of the Civil Code of People's Republic of China (PRC). If the parties enter into a contract in the form of a contract, the contract shall be established when the parties sign, seal or press their fingerprints. 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.