The director may promulgate rules pursuant to chapter 1-26 to implement the provisions of §§ 58-18B-1 to 58-18B-3, inclusive, § 58-18B-7, §§ 58-18B-15 to 58-18B-18, inclusive, and to assure that rating practices used by small employer carriers are consistent with the purposes of this chapter, including rules that:

(1) Assure that differences in rates charged for health benefit plans by small employer carriers are reasonable and reflect objective differences in plan design not including differences due to the nature of the groups assumed to select particular health benefit plans; and

(2) Prescribe the manner in which case characteristics may be used by small employer carriers.

Source: SL 1995, ch 281, § 11.