Effective January 1, 2021, the state mileage reimbursement rate for business related travel has decreased from $.575 cents per mile to $.56 per mile. The rate is consistent with the Internal Revenue Service’s standard mileage rate. All travel prior to January 1st, will be reimbursed at $.575 cents per mile.
https://fmx.cpa.texas.gov/fmx/travel/textravel/rates/current.php