You (or the purchaser or transferee) must complete Form CBS-1, Notice of Sale, Purchase, or Transfer of Business Assets. If you need legal guidance in buying or selling a business, call us at 630-523-0543 or fill out our online contact form. Services.A purchase intending to buy all of a company's assets must conduct a thorough inventory in advance of purchase. In an asset sale, the new owner purchases the business's physical assets. The seller retains all rights to the legal entity. Download Illinois Asset Purchase Agreement template, modify and send for signing using BoloForms Signature. Asset purchase agreements are a useful way to: Carve out certain assets of a business without taking on liabilities or debt obligations. An asset sale allows the transfer of specific assets and liabilities while the seller remains being owner of the legal entity.