Complaints or orders issued by a public officer pursuant to this subchapter shall be served upon persons either personally or by registered or certified mail. If the identities of any owners or the whereabouts of persons are unknown and cannot be ascertained by the public officer in the exercise of reasonable diligence, and the public officer makes an affidavit to that effect, then the serving of the complaint or order upon the unknown owners or other persons may be made by publication in a newspaper having general circulation in the city at least once no later than the time at which personal service would be required under the provisions of this subchapter. When service is made by publication, a notice of the pending proceedings shall be posted in a conspicuous place on the premises thereby affected.
(Ord. passed 8-10-1987; Am. Ord. passed 5-3-2021)