41 CFR § 102-33.380
Who must report information to GSA on Government aircraft?
June 9, 2020
You must report information to GSA on Government aircraft if your agency—
(a) Is an executive agency of the United States Government; and
(b) Owns, bails, borrows, loans, leases, rents, charters, or contracts for (or obtains by ISSA) Government aircraft.