Extended data:
School seal engraving, must rely on the certificate issued by the administrative department of education, to the local public security organs at or above the county level for examination and approval procedures. After approval, carving can be carried out in the designated carving shop or factory.
The seal of a local social organization shall be certified by the local community registration authority, and shall be issued by the local community registration authority after the public security organ where the community headquarters is located has gone through the formalities of quasi-engraving.
If a foreign unit needs to engrave the official seal, it must first go to the public security organ at or above the county level where the unit originated to apply for a letter of introduction or proof of engraving the official seal, and then, with this letter of introduction or proof, go to the public security organ at the same level where the engraving factory or engraving shop is located to exchange for a notice or letter of introduction of engraving the official seal, and engrave it at the engraving factory or engraving shop designated by the public security organ.