Tex. Educ. Code § 51.210

Notwithstanding any of the provisions of this subchapter, all officers commissioned by the governing board of a state institution of higher education may be empowered by the board to enforce rules and regulations promulgated by the board. Nothing in this subchapter is intended to limit or restrict the authority of each institution to promulgate and enforce appropriate rules and regulations for the orderly conduct of the institution in carrying out its purposes and objectives or the right of separate jurisdiction relating to the conduct of its students and personnel.