Money Tax season 2023: What exactly is the mileage rate? There’s more than one. January 27, 2023January 31, 2023Susan TomporComments Off on Tax season 2023: What exactly is the mileage rate? There’s more than one. Mileage reimbursement for business isn't as easy as it used to be — and tax season in 2023 has yet another new twist on mileage rates for business.