Md. Code, Insurance § 27–601.1

(a) For purposes of this subtitle, with respect to policies of personal insurance, private passenger motor vehicle liability insurance, commercial insurance, and workers’ compensation insurance, the issuance by an insurer of a new policy to replace an expiring policy issued by that insurer is a renewal.

(b) For purposes of this subtitle, with respect to policies of personal insurance, private passenger motor vehicle liability insurance, commercial insurance, and workers’ compensation insurance, the issuance by an insurer of a new policy to replace an expiring policy issued by another admitted insurer within the same insurance holding company system, as defined in § 7–101 of this article, is a renewal if:

(1) the policyholder’s premium does not increase; and

(2) the policyholder does not experience a reduction in coverage.