You (or the purchaser or transferee) must complete Form CBS-1, Notice of Sale, Purchase, or Transfer of Business Assets. Download Illinois Asset Purchase Agreement template, modify and send for signing using BoloForms Signature.Other than the Excluded Assets, Seller shall sell, transfer, convey, assign and deliver to Buyer, and. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer. Read about the legal terms and disclosures you must add to an Illinois real estate purchase agreement. Learn what required information you must include.