If the seller violates any provision of § 14-302 of this subtitle, the buyer may cancel the door-to-door sale by notifying the seller in any manner and by any means of his intention to cancel.
Maryland Legal Code
If the seller violates any provision of § 14-302 of this subtitle, the buyer may cancel the door-to-door sale by notifying the seller in any manner and by any means of his intention to cancel.