RSA 420-G:4 Premium Rates.

I. Health carriers providing health coverage to individuals and small employers under this chapter shall be subject to the following:
(a) All premium rates charged shall be guaranteed for a rating period of at least 12 months, and shall not be changed for any reason, including but not limited to a change in the group's case characteristics.
(b) Market rate shall be established by each health carrier for all of its health coverages offered to individuals and, separately, for all of its health coverages offered to small employers.
(c) Health carriers shall calculate health coverage plan rates for each of the coverages or health benefit plans written by that carrier. Variations in health coverage plan rates shall be solely attributable to variations in expected utiliz