The main indicators of the unit project and the personnel information table of the project management organization need to be stamped with the official seal. Unit project acceptance report, division project acceptance report and single data sheet must be stamped with the official seal of the construction unit. Forms of construction technical data are made in accordance with specifications and standards, and forms that need to be stamped with official seals must be stamped with official seals, which is also a specification requirement.
The official seal refers to the seal used by organs, organizations, enterprises and institutions.