SDCL § 3-13A-24: State investment officer to act as fiduciary--Certain persons prohibited from acting as third-party administrator or vendor.

The state investment officer shall be held to the standard of conduct of a fiduciary and shall carry out all functions solely in the interests of the participants and benefit recipients and for the exclusive purpose of providing benefits and defraying reasonable expenses incurred in performing such duties as required by law. No employee of a participating unit and no spouse or dependent of the employee may act as or represent a third-party administrator or a vendor in a matter concerning the program, except that the state investment officer and the state investment officer's employees may invest all or part of the fund pursuant to § 3-13A-9.