1.  Upon receipt of a notice of approval from the commission, the clerk of the governing body shall cause a copy of the petition or resolution of intent to annex, and of any modifications or conditions imposed by the commission, to be published in a newspaper of general circulation in the territory proposed to be annexed, or, if there is none, in a newspaper of general circulation published in the county. If no such newspapers are published, a copy of the petition or resolution shall be posted at the front door of the city hall or county courthouse and in at least two conspicuous places in the territory proposed to be annexed, for not less than 20 days before the next regular meeting of the governing body and before there is a vote by the governing body upon the question of annexation.

2.  Publication of the petition or resolution pursuant to this section shall be for at least 20 days. Three publications in a newspaper published once a week or oftener are sufficient, but the first and last publications shall be at least 6 days apart. The period of notice commences upon the first day of publication and terminates either upon the day of the third publication or at the end of the 20th day, including therein the first day, whichever period is longer. At the time the first publication is made, the clerk of the governing body shall send a copy of such petition or resolution by certified mail, return receipt requested, to each owner of real property in the territory proposed to be annexed.

3.  Included with the petition or resolution in the notice as published or posted and mailed shall be a list of all property owners of record in the territory proposed to be annexed.