Tex. Water Code § 5.237

(a) The Texas Natural Resource Conservation Commission Operating Fund is established in the treasury. At the request of the commission, the comptroller is authorized to transfer to an account in the operating fund any appropriations made to the commission for the purpose of making expenditures. After expenditures have been made from the operating fund and proper line-item appropriations identified, the commission shall submit periodic adjustments to the comptroller in summary amounts to record accurate cost allocations to the appropriate funds and accounts. Periodic adjustments under this section shall be made at least quarterly.

(b) The commission will establish and maintain accounting records adequate to support the periodic reconciliation of operating fund transfers and document expenditures from each fund or account. All expenditures shall be made consistent with provisions of law relating to the authorized use of each fund or account from which appropriations are made to the commission.