A written proposal is the foundation of a real estate transaction. Oral promises are not legally enforceable when it comes to the sale of real estate.If you desire legal or tax advice, consult your attorney or tax advisor. Earnest Money Deposit: The final purchase price should include an earnest money deposit. This form from the Utah Real Estate Commission lets professional realtors create an official contract for the sale or purchase of residential property. What to Clarify in Your UT FSBO Contract? Another potential buyer and his agent were there, filling out his offer in front of us. Facilitate the home buying or selling process with a Utah residential purchase agreement. Earnest Money Deposit to Buyer.