☐ - Fixed Payment Commission: A fixed payment in the amount of. This is a legally binding Real Estate Purchase Contract ("REPC").Generate, fill in, and complete now. Purchase Contract in response to the listing. 3. The Utah Real Estate Purchase Agreement is a legally binding contract that outlines the terms and conditions for the sale of real property in the state of Utah. Upon signing of this Listing Agreement, the Seller agrees to personally complete and sign'a Seller's Property. Condition Disclosure form. This is a legally binding contract, if not fully understood seek competent legal advice before signing.