Maryland Code, Insurance § 27-608.1

(b)(1) If a policyholder is being transferred between admitted insurers within the same insurance holding company system, as defined in § 7-101 of this article, the insurer providing the new policy shall provide notice of the transfer to the policyholder.

(2) An insurer shall be considered to have met the notice requirement of this section if the insurer has sent to the named insured a renewal policy that includes a notice of transfer, or a notice on the declaration page of the renewal policy, notifying the insured that the policy has been transferred from the prior named insurer to the new or renewing named insurer.