Legal Subjectivity:
The contract is valid if Party B has not signed it but has sealed it. However, if the contract stipulates that both parties must sign and seal it, it will be invalid. A contract is concluded in the form of a contract. If one party has performed its main obligations and the other party accepts it before signing or sealing, the contract is established. Article 490 of the Civil Code stipulates that if the parties conclude a contract in the form of a contract, the contract shall be established when both parties sign, seal or fingerprint the contract. Before signing, sealing or fingerprinting, one party has performed its main obligations and the contract is established when the other party accepts it. Article 502 stipulates that a contract established in accordance with the law shall take effect from the time of its establishment, unless otherwise provided by law or otherwise agreed upon by the parties. Legal objectivity:
According to Article 464 of the "People's Republic of China and Civil Code" that came into effect on January 1, 2021, a contract is a civil matter for the establishment, modification, and termination of civil matters between civil parties. Agreement on legal relations. Agreements on status relationships such as marriage, adoption, guardianship, etc. shall be governed by the legal provisions on the status relationship; if there are no provisions, the provisions of this part may be applied based on their nature.