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. 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: the policyholder’s premium does not increase; and the policyholder does not experience a reduction in coverage.