The official seal refers to the seal used by organs, organizations, enterprises and institutions. Because the Ministry of Public Security has not made uniform provisions on the engraving procedure, the provisions on the engraving procedure vary from place to place. According to the different types of seals, the procedures are different. Any unit using the official seal must strictly abide by the leadership examination and approval system. That is, every use of the official seal of the unit must be approved by the legal representative of the unit. If the legal representative of the unit goes out or cannot approve other important tasks, the legal representative of the unit must also authorize the deputy and other appropriate personnel to approve the use. The specific handler shall not use the official seal of the unit to handle anything without authorization.

If the official seal of the unit is damaged, lost or stolen due to poor management, it must be reported to the superior and relevant departments as soon as possible, in addition to investigating the responsibility of the responsible person according to relevant laws and systems, and take corresponding measures to recover the losses; While completing the formalities as soon as possible, engrave a new seal as soon as possible so as not to delay the normal work. Originally, the legal person was required to provide the ID card, bring the company's business license, and then complete the lettering process at the lettering point designated by the relevant department.

Apply for free official seal engraving service at the corresponding service window online, and you can receive basic seals such as corporate official seal, legal person seal and financial seal after receiving the materials. Companies will use the special seal for contracts when signing contracts, and the special seal for invoices when stamping invoices, including business seal, official seal, financial seal and legal representative seal, which are the most commonly used. According to the purpose, it can be divided into public seal and private seal, corporate seal, artistic seal, personal and private seal, etc. According to the material, it can be divided into atomic seal, ink return seal, photosensitive seal, red rubber seal, natural horn seal, ivory seal, crystal seal, Huang Mu seal, roller seal, copper seal, steel seal and jade seal.

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.