Legal analysis: the company seal includes: official seal, financial seal, legal person seal, special seal for contract and special seal for invoice. Its function: in the process of legal relationship with the outside world or in the internal management of an enterprise, the enterprise seal formally represents the will of the unit or department and has legal effect. According to whether there is a seal, determine the effectiveness of relevant documents, and then determine the ownership of relevant rights and obligations.
Legal basis: Article 22 of the Provisions of the State Council on the Management of the Seals of State Administrative Organs, Enterprises, Institutions and Social Organizations, other special seals of state administrative organs, enterprises, institutions and social organizations (including special seals for economic contracts and special seals for finance) shall be different from the official seals of their own units in name and style, and can be engraved with the approval of the unit leaders.