A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. This agreement works well when a Realtor wants to show a buyer a FSBO (For Sale By Owner) home that is not listed in the MLS.Broker may offer a cooperative compensation to an agent who is not a member of the MLS(es) in which the Property is listed. One Time Showing Agreement Form – Fill Out and Use This PDF. This time and date "starts the clock" on the time deadlines in the Purchase and Sale Agreement. (e.g. Inspection deadlines, etc. Hard copy or machine-readable form, are intended for one-time use in the connection with the PROJECT for which this Agreement has been entered into. A listing agreement is a legally binding contract between the property owner and a real estate agent. What is included in a listing agreement? The official website of the City of New York.