Legal analysis: Yes. The cover is also effective in other positions. However, in order to avoid artificial changes after the seal is stamped, the name of the unit and the signature of the signer are usually stamped. If the date is signed by hand, try to cover the date as well.

Legal basis: "Measures for the Administration of Seal Public Security"

Article 7: State power, party and government, judiciary, political participation, military, armed police, democratic parties, *** Youth League, If organizations and institutions at all levels, such as trade unions, women's federations, and other organizations and groups, need to engrave seals, the seal management department of the issuing authority shall issue an official letter to the public security agency of the local people's government at or above the county level to complete the filing procedures.

The public security organs of the people's governments at or above the county level should immediately handle and issue an accuracy certificate.

Article 8 If enterprises, institutions, civil organizations registered with the civil affairs department, village (residents) committees, coordination agencies and non-permanent agencies need to engrave seals, they must present the seals issued by the superior authorities. The certificate and the approval document for the establishment of the unit must be submitted to the public security bureau of the local people's government at or above the county level to apply for formalities.