41 CFR § 102-34.140
What records do we need to keep on U.S. Government license plates?
June 9, 2020
You must keep a central record of all U.S. Government license plates for Government motor vehicles. The GSA Fleet must also keep such a record for GSA Fleet vehicles. The record must:
(a) Identify the motor vehicle to which each set of plates is assigned; and
(b) List lost, stolen, destroyed, and voided license plate numbers.