(a) To carry out a cooperative agreement entered into under Section 91.005 of this code, the department may supervise the operation of a joint state-federal inspection service. The terms of the cooperative agreement govern the operation of the inspection service, appointment of inspectors, and manner of conducting inspections, however no provision of the inspection service agreement may be in violation of state law.
(b) An individual appointed as an inspector or to work in another capacity with an inspection service under Subsection (a) of this section is performing work for the state under the supervision of the department and is a member of the employee class of the Employees Retirement System of Texas under Section 812.003, Government Code.