41 C.F.R. § 102-33.75

You must:

(a) Establish agency-specific Flight Program Standards;

(b) Account for the cost of acquiring, operating, and supporting your aircraft;

(c) Account for the use of your aircraft;

(d) Maintain and account for aircraft parts;

(e) Report inventory, cost, and utilization data; and

(f) Properly dispose of aircraft and parts.