Sec. 1. As used in this chapter, "fiduciary duty" includes the duty to:
(1) act with loyalty and care in the best interest of the plan sponsor;
(2) ensure that all fees, costs, and commissions are reasonably and fully disclosed;
(3) avoid self-dealing and conflicts of interest; and
(4) maintain transparency in all financial and contractual arrangements related to the plan sponsor's health insurance coverage, including prescription drug benefits.