Tex. Gov't Code § 660.208
Current with legislation from the 2023 Regular and Special Sessions signed by the Governor as of November 21, 2023.
Reimbursement of actual expenses under Section 660.205 or 660.206 may not be made unless the chief administrator of the appropriate state agency gives advance written approval of the reimbursement and estimates the approximate cost of the travel.
Tex. Gov't. Code § 660.208