(A) Notice of requested voluntary conservation measures shall be by publication in a local newspaper of general circulation or other means as deemed appropriate by the Board. The notice shall be effective upon publication.
(B) Notice of mandatory conservation or rationing shall be by notices on customer’s bills, by first class United States mail, or by other door-to-door distribution to each current customers, and by electronic and print media. Said notice shall be deemed effective at the conclusion of door-to-door distribution, or at noon of the third day after depositing same in the United States mail. Failure to receive personal service or notification shall not be a defense to a violation of the subchapter.