Tex. Agric. Code § 146.021

The department may receive and hold for processing animals and animal products transported in international trade and may establish and collect reasonable fees for yardage, maintenance, feed, medical care, facility use, and other necessary expenses incurred in the course of processing those animals. Notwithstanding any other law, the department may use any portion of fees collected under this section that remains after spending the proceeds of the fees to meet other necessary expenses incurred under this section for expenses related to maintenance of or repairs to department facilities.