41 CFR § 102-33.75
What other guidance is available to us in planning to acquire Government aircraft?
June 9, 2020
You can find guidance for acquisition planning in:
(a) The “Aviation Planning Desk Guide” (available at http://www.gsa.gov/aviationpolicy) and
(b) OMB's “Capital Programming Guide,” which is a supplement to OMB Circular A-11 (http://www.whitehouse.gov/omb).