A. At the hearing of the governing body on the proposed resolution creating a district, any interested person or owner of property to be assessed for the improvement may file a written protest or objection questioning the:

B. The governing body may recess the hearing from time to time so that all protestants may be heard.

C. At the hearing, the governing body may:

D. Within thirty (30) days after the governing body has concluded the hearing; determined the advisability of constructing the improvement and the type and character of the improvement; and created the improvement district, any person who, during the hearing, filed a written protest with the governing body protesting the construction of the improvement may commence an action in district court to correct or set aside the determination of the governing body. After the lapse of thirty (30) days succeeding the determination of the governing body, any action attacking the validity of the proceedings and the amount of benefit to be derived from the improvement is perpetually barred. Provided, however, if the owners of fifty percent (50%) or more in area of the tracts or parcels within the district or a majority of the owners of record of property in the assessment area protest, in writing, the creation of the district, the district shall not be created.