33-16-1030. Delay of rates in noncompetitive market. (1) A 30-day waiting period may be implemented or extended under one of the following circumstances:

(a) after finding that the market is not competitive under 33-16-1020, the commissioner adopts a rule requiring that any subsequent changes in rates or supplementary information must be filed with the commissioner at least 30 days before the changes become effective;

(b) the commissioner extends the waiting period under this section for a period not exceeding 30 additional days by written notice to the filer before the first 30-day period expires;

(c) upon written application by an insurer or advisory organization, the commissioner, following review, authorizes a filing, which becomes effective before the expiration of the period described in subsection (1)(a) or (1)(b); or

(d) the filing is approved or disapproved during the waiting period and, if not disapproved before the expiration of the waiting period, is considered to have met the requirements of this section.

(2) If a rule is adopted under subsection (1), the commissioner may require the filing of supporting data as to classes of risks or combinations of risk classes that the commissioner considers necessary for the proper functioning of the rate monitoring and regulating process. The supporting data must include:

(a) the experience and judgment of the filer and, to the extent that the filer wishes or the commissioner requires, the experience and judgment of other insurers or the advisory organization designated under 33-16-1023;

(b) the interpretation of any statistical data upon which the filer relied;

(c) a description of the actuarial and statistical methods used in setting the rate; and

(d) any other relevant matter required by the commissioner.

(3) A rule adopted under this section expires 1 year after adoption unless renewed by the commissioner after hearings and appropriate findings under this section.

(4) Whenever a filing is not accompanied by the information that the commissioner has required under subsection (2), the commissioner shall inform the insurer within 10 days of the initial filing. The filing is considered made when the required information is furnished.