The purchase agreement will specify what each party is required to deliver to the other at closing. Print completed form and submit with proposal.All questions must be answered and sections must be completed. Check out this list of the top eCommerce companies in San Antonio, TX. See company benefits, info, interviews and more at Built In. A memorandum of purchase and sale agreement is a legal document that protects a buyer from being outbid after the seller accepts their offer. Enter the contract number and or fill in the other parameters and click Search. Please fill out this form online, print completed form and submit with proposal to originating department. All questions must be answered.