Presentation of preservation study committee report; termination of committee. The report and recommendations of the study committee, including the proposed preservation ordinance upon a recommendation that a preservation commission should be established, shall be submitted for review and comment to the county board; the county regional planning commission, if any; the county historical museum, if any; each existing municipal landmark or historic preservation commission in the county; and the Department of Natural Resources. Copies of the report shall be available at the county courthouse and offices of the county board and county regional planning commission. The county board, or the study committee or the county regional planning commission upon authorization of the county board, shall, within 60 days after submission, hold public hearings in at least 2 locations within the county and shall afford all persons interested an opportunity to be heard. Notice of each hearing shall be published at least 15 days in advance thereof in a newspaper of general circulation in the county. Such notice shall state the time and place of the hearing and the place where copies of the report and recommendations will be available for examination. Within 45 days after the final adjournment of such hearings the study committee shall make a final report and recommendations and submit the final proposed preservation ordinance to the county board. The county board after reviewing the report, recommendations and proposed preservation ordinance shall within 60 days take one of the following steps: (1) accept the report and enact the ordinance without major substantive changes; (2) refer the report and proposed ordinance back to the study committee with suggestions for further amendments and revisions for consideration by the preservation study committee and a further report and recommended ordinance within 60 days; or (3) reject the report, recommendations and proposed ordinance by resolution stating its reasons for such action.
     The preservation study committee shall cease to exist following the completion, presentation or filing of its final report and recommendations with the county board and final action by the board upon the report and recommendations.