Tex. Gov't Code § 411.196

A person may pay a fee required by this subchapter by cash, credit card, personal check, cashier's check, or money order. A person who pays a fee required by this subchapter by cash must pay the fee in person. Checks or money orders must be made payable to the "Texas Department of Public Safety." A person whose payment for a fee required by this subchapter is dishonored or reversed must pay any future fees required by this subchapter by cashier's check or money order made payable to the "Texas Department of Public Safety." A fee received by the department under this subchapter is nonrefundable.