(a) The commissioner shall adopt reasonable rules to establish minimum standards for benefits and claims payment, marketing practices, compensation arrangements, and reporting practices for medicare supplement policies and certificates.
(b) The commissioner may adopt from time to time, reasonable rules as are necessary to conform medicare supplement policies and certificates to the requirements of federal law and regulations adopted thereunder, including but not limited to:

(1) Requiring refunds or credits if the policies or certificates do not meet loss ratio requirements;
(2) Establishing a uniform methodology for calculating and reporting loss ratios;
(3) Assuring public access to policies, premiums, and loss ratio information of issuers of medicare supplement insurance;
(4) Establishing a process for approving or disapproving policy forms and certificate forms and proposed premium increases;
(5) Establishing a policy for holding public hearings prior to approval of premium increases; and
(6) Establishing standards for medicare select policies and certificates.