The official seal that has not been filed has legal effect. When an enterprise signs a contract, as long as it does not violate the relevant provisions of the law or other prohibited laws and regulations, it is an expression of the true meaning of both parties and it is a valid contract. Despite the special provisions of the Ministry of Public Security, the official seal that has not been filed has certain legal effect under certain circumstances. For enterprises, in order to avoid risks, the official seal should be filed with the public security as far as possible. Article 49 of the Civil Code If the parties conclude a contract in the form of a contract, the contract shall be formed when all 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 writing as stipulated by laws and administrative regulations or agreed by the parties. If the parties fail to do so in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established. Legal objectivity:

Measures for the Administration of Public Security of Seals Article 8 Enterprises, institutions, non-governmental organizations registered by the civil affairs departments, village (neighborhood) committees, coordination agencies and non-permanent institutions that need to engrave seals shall apply to the public security organs of the local people's governments at or above the county level for quasi-engraving procedures with the engraving certificate issued by the higher authorities and the approval text of the establishment of the units. If there is no superior competent department, it shall apply to the local public security organ at or above the county level for quasi-engraving procedures with the business license, registration certificate issued by the registration administration department or the certificate issued by the local public security police station. The handling personnel who handle the quasi-engraving procedures must hold the entrustment certificate of the engraving unit and my identity certificate; When going through the formalities of quasi-engraving the name stamp, the identity certificate of the name stamp shall be provided at the same time. The public security organ of the people's government at or above the county level shall, within three working days from the date of receiving the application, make a decision on whether to issue the quasi-engraving procedures. To meet the conditions, issue a certificate of accurate engraving; Do not meet the conditions, notify the applicant in writing and explain the reasons.