After the ordinance for any project under the provisions of this article has been adopted, an abstract of the ordinance, determined by the governing body to contain sufficient information as to give notice of the contents of such ordinance, together with the following described notice, shall be published as a Class II legal advertisement in compliance with the provisions of article three, chapter fifty-nine of this code, and the publication area for such publication shall be such municipality. The notice to be published with said abstract of the ordinance shall state that said ordinance has been adopted, that the municipality contemplates the issuance of the bonds described in the ordinance, that any person interested may appear before the governing body upon a certain date, which shall not be less than ten days subsequent to the date of the first publication of such abstract and notice and which shall not be prior to the date of the last publication of such abstract and notice, and present protests and that a certified copy of the ordinance is on file with the governing body for review by interested parties during the office hours of the governing body. At such hearing all protests and suggestions shall be heard and the governing body shall take such action as it shall deem proper in the premises: Provided, That if at such hearing written protest is filed by thirty percent or more of the freeholders of the municipality, then the governing body of said municipality shall not take further action unless four fifths of the qualified members of said governing body assent thereto.