41 C.F.R. § 302-4.300
POV mileage rate for PCS travel
The mileage reimbursement rate is the same as the moving expense mileage rate established by the Internal Revenue Service (IRS) for moving expense deductions. See IRS guidance available at https://www.irs.gov. These rates will be published in an FTR bulletin and are also displayed at https://www.gsa.gov/mileage.