Maryland Code, Insurance § 4-302

(1) an insurer should maintain an amount of capital in excess of the minimum RBC levels derived from the risk based capital requirements contained in this subtitle and the attendant formulas, schedules, and instructions; and

(2) additional capital is used and useful in the insurance business and helps to secure an insurer against various risks inherent in, or affecting, the insurance business and not accounted for or only partially measured by the risk based capital requirements contained in this subtitle.