, 20 ("Offer Reference Date"). A memorandum of purchase and sale agreement is a legal document that protects a buyer from being outbid after the seller accepts their offer.The CUSTOMER will work out an arrangement with all manufacturers of products containing the "Subject Product" to allow for verification of Products Produced. With our free Sales Agreement form, you'll be ready to print or download your contract in no time. (1) The Vendors will sell and Purchaser shall purchase the plot of land bearing.