A For Sale By Owner contract Illinois must include: 1. The Purchase Price, 2.A master purchase agreement is a legally binding contract between buyer and seller, and typically relates to buying and selling goods rather than services. The Seller represents and warrants to the Buyer (1) that the Real Estate is located in the (check one) ☐ city ☐ village of. , or ☐ unincorporated McHenry. The Buyer has agreed to buy and the Seller has agreed to sell the Shares and the Assets, which represent the Business, on the terms set out in this Agreement. Form agreement for the sale of goods under Article 2 of the Illinois Uniform Commercial Code (UCC), drafted in favor of the seller. 1. THE PARTIES: Buyer and Seller are hereinafter referred to as the "Parties".