Solicitation and Contract Templates and Forms. NOTE: All PDF forms on this website must be downloaded and viewed in Adobe Reader.Download Illinois Freelance Contract template, modify and send for signing using BoloForms Signature. The Parties to this contract are the State of Illinois acting through the undersigned Agency (collectively the State) and the Vendor. Below is a list of forms and information that may be required to complete a Request for Proposal Response. Answer guided questions and download your document for free. We offer a variety of high-quality education, essential AIA contract resources and relevant articles to keep you knowledgeable about AIA Contract Documents. How is the form of construction contract to be used selected? Illinois' prompt payment laws apply to all private construction contracts with a few exceptions. A Construction Contract Agreement is a contract between a client and a contractor that specifies the details of a construction project.