This form does not establish an exclusive relationship. Beginning in midAugust, NAR's proposed settlement agreement requires members to sign written agreements with potential buyers prior to touring a home.A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. The state association is rolling out buyer agreements and other forms that it believes offer a balance of simplicity and agent protections. The Arizona Department of Real Estate said everything on the document should be negotiable before you sign it. The Arizona Department of Real Estate said everything on the document should be negotiable before you sign it. Compared to a "Pre-Qual" letter, this form gives the seller much more detailed information about where the buyer stands in getting approval for a loan. Or repairs should the home not be in the same condition as when the contract was signed. b. They may walk the property again 24 hours before close if they wish.