(a) The Texas Emergency Services Retirement System is delegated all purchasing functions relating to the purchase of goods or services from funds other than general revenue funds for a purpose the state board of trustees of the Texas Emergency Services Retirement System determines relates to the fiduciary duties of the retirement system.
(b) The Texas Emergency Services Retirement System shall acquire goods or services by any procurement method approved by the state board of trustees of the Texas Emergency Services Retirement System that provides the best value to the retirement system. The retirement system shall consider the best value standards provided by Section 2155.074.
(c) The comptroller shall procure goods or services for the Texas Emergency Services Retirement System at the request of the retirement system, and the retirement system may use the services of the comptroller in procuring goods or services.