Texas Education Code - EDUC § 95.21. General Responsibilities and Authority of Board

(a) The board is responsible for the general control and management of the universities in the system and may erect, equip, and repair buildings;  purchase libraries, furniture, apparatus, fuel, and other necessary supplies;  employ and discharge presidents or principals, teachers, treasurers, and other employees;  fix the salaries of the persons employed;  and perform such other acts as in the judgment of the board contribute to the development of the universities in the system or the welfare of their students.

(b) The board has authority to promulgate and enforce such rules, regulations, and orders for the operation, control, and management of the university system and its institutions as the board may deem either necessary or desirable.  When a power is vested in the board, the board may adopt a rule, regulation, or order delegating such power to any officer, employee, or committee as the board may designate.