Maryland Insurance Section 18-115
§ 18-115.
  In evaluating the expected and actual loss ratios, the Commissioner shall consider:
    (1)   the statistical credibility of incurred claims experience and earned premiums;
    (2)   the period for which rates are computed to provide coverage;
    (3)   experienced and projected trends;
    (4)   the concentration of experience within early policy duration;
    (5)   expected claim fluctuation;
    (6)   experienced refunds, adjustments, or dividends;
    (7)   renewability features;
    (8)   all appropriate expense factors;
    (9)   interest;
    (10)   the experimental nature of the coverage;
    (11)   policy reserves;
    (12)   the mix of business by risk classification; and
    (13)   product features, including long elimination periods, high deductibles, and high maximum limits.