(2) Upon the filing of the proposal, the county board shall fix a time for, and cause notice to be given of, a hearing on the petition. The hearing shall be held not less than 30 nor more than 50 days after the date the petition is filed with the board. Notice of the hearing shall be given by:
(a) Posting in three public places within the district not less than 15 days prior to the hearing; and
(b) Publication in some newspaper of general circulation in the district once a week for three successive weeks before the hearing, making three publications, the last publication being at least five days before the hearing.
(3) The notice shall state the time and the place of the hearing, that it is proposed to dissolve the district and that any interested person may appear and shall be given a reasonable opportunity to be heard. The notice shall give a brief summary of the proposed plan of dissolution and liquidation and state that a copy is on file at the office of the county clerk, available for inspection. [1971 c.514 §35]