The certificate is issued upon completion of the commercial school that is given by the School Bus and Traffic Safety Department.
https://www.ncdot.gov/dmv/license-id/driver-licenses/new-drivers/Pages/driver-education.aspx
Annually
Admin Code "T19A:031.0500"
NC Department of Transportation
Division of Motor Vehicles
School Bus and Traffic Safety Section
3117 Mail Service Center
Raleigh, NC 27699-
919-861-3109