The Commissioner may adopt regulations to carry out the provisions of NRS 689C.109 to 689C.143, inclusive, 689C.156 to 689C.159, inclusive, 689C.165, 689C.183, 689C.187, 689C.191 to 689C.198, inclusive, 689C.203, 689C.207, 689C.265, 689C.325, 689C.355 and 689C.940, and to ensure that rating practices used by carriers serving small employers are consistent with those sections, including regulations that:
1. Ensure that differences in rates charged for health benefit plans by such carriers are reasonable and reflect only differences in the designs of the plans, the terms of the coverage, the amount contributed by the employers to the cost of coverage and differences based on the rating factors established by the carrier.
2. Prescribe the manner in which rating factors may be used by such carriers.