(A) A notice or order shall be deemed to be properly served by one of the following methods:
(1) By delivering to the person to be served a copy of the notice or order; or
(2) By mailing to the person to be served, at his or her last known address, by certified or registered mail with return receipt requested, a copy of the notice or order.
(B) If the notice or order required by division (A)(2) above is returned with receipt showing that it is unable to be delivered, service can be accomplished by posting a copy of the notice or order in a conspicuous place in or about the premises affected by the notice.
(2004 Code, § 141-55) (Ord. 70, passed 9-29-1988)