41 CFR § 301-10.303
What am I reimbursed when use of POV is determined by my agency to be advantageous to the Government?
June 9, 2020
You will be reimbursed an applicable mileage rate based on the type of POV you actually use (privately owned airplane, privately owned automobile, privately owned motorcycle). These rates will be published in an FTR bulletin and are also displayed on GSA's Web site (http://www.gsa.gov/mileage).
[FTR Amdt. 2010-07, 75 FR 72967, Nov. 29, 2010]