Md. Code, Insurance § 5–704

(a) An insurer may deposit cash or government securities eligible for deposit under § 5-701(b) of this subtitle in an amount greater than any deposit required or allowed under this article.

(b) (1) All or part of an excess deposit may be released to a solvent insurer on its request as provided in § 5-708(a)(2) of this subtitle.

(2) An excess deposit may be released to an insolvent insurer only as provided in § 5-708(a)(3) of this subtitle.