A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. Download a free Illinois LLC Operating Agreement template (Word, Google Doc, PDF).List LLC Members, profit splits, tax info and more. A OneTime Showing Agreement form is a legally binding agreement between the buyer's broker and the homeowner listing the property for sale. They will contact the seller or the listing agent and meet at a specific time. A property owner agrees to pay a commission to a real estate broker for a single showing that results in the sale of the property. One condition of the NAR settlement requires buyers to sign written agreements with you before touring. NAR offers a number of other forms to members and association staff which are not transaction-related: Real Estate Business Letter Templates. A legal real estate contract must have the complete property description as stated in the documents at the County Recorder's Office in Illinois. A real estate listing agreement is a contract between a property owner and a real estate agent.