Such notice shall be deemed to be properly served if a copy thereof is:
(A) delivered personally;
(B) sent by certified or first-class mail addressed to the last known address; or
(C) if the notice is returned showing that the letter was not delivered, a copy thereof shall be posted in a conspicuous place in or about the structure affected by such notice.
(107.3) (Ord. No. 16-05; 06-06-16)