Md. Code Ann., Ins. § 9-214

Within 15 days after appointment as receiver or conservator for an insurer against which a delinquency proceeding has been commenced, the receiver or conservator shall notify each policyholder of the insurer, by letter or other means approved by the court, of the commencement of the delinquency proceeding and of the possibility that the insurance of the policyholder may be canceled.