"Request for proposals" means a competitive selection achieved by negotiated procurement. The request for proposals shall be submitted to the administrators of the Capital Development Board Procurement Bulletin for publication and through at least one public notice, at least 30 days before the request date in a newspaper published in the district or vocational center area, or if no newspaper is published in the district or vocational center area, in a newspaper of general circulation in the area of the district or vocational center, from a school district or area vocational center that will administer the program, requesting innovative solutions and proposals for energy conservation measures. Proposals submitted shall be sealed. The request for proposals shall include all of the following:
105 ILCS 5/19b-1.4