Maryland Code, Real Property § 11B-113.1

(1) The board of directors or other governing body of the homeowners association gives the homeowners association the authority to provide notice of a meeting or deliver information by electronic transmission;

(2) The lot owner gives the homeowners association prior written authorization to provide notice of a meeting or deliver information by electronic transmission; and

(3) An officer or agent of the homeowners association certifies in writing that the homeowners association has provided notice of a meeting or delivered material or information as authorized by the lot owner.

(1) The homeowners association is unable to deliver two consecutive notices; and

(2) The inability to deliver the electronic transmission becomes known to the person responsible for sending the electronic transmission.