Maryland Insurance Section 23-401.1

      (a)      Except as provided under subsection (b) of this section, any notice to an insured shall be sent by personal delivery or first class mail.

      (b)      With respect to commercial automobile, fire, or liability insurance, and at the request of the insured, a premium finance company may send any notice to the insured by personal delivery, first class mail, electronic mail, or facsimile transmission.