You (or the purchaser or transferee) must complete Form CBS-1, Notice of Sale, Purchase, or Transfer of Business Assets. The Exclusive Right to Sell agreement is the most comprehensive and highest level of protection for the seller's brokerage company.In an asset sale, the new owner purchases the business's physical assets. The seller retains all rights to the legal entity. This contract sets out the key terms of the transaction, including the purchase price, payment terms, and the assets and liabilities included in the sale.