A OneTime Showing Agreement form is a legally binding agreement between the buyer's broker and the homeowner listing the property for sale. A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers.There will be listing agents who have you sign a one time agreement or a paper saying you agree to go unrepresented if you put in an offer. This standard form stipulates all agreement terms, including the listing price, the listing time period, the broker's commission and more. A listing agreement is a contract between homeowners and brokers that legally establishes how a realtor will find a property buyer on the seller's behalf. Some agents will ask you to sign something called a buyer's agent agreement before they start showing you homes. The agent called this week and said another agent in her office would like to show our house to some clients if we're still open to it. The seller enters into a Residential Listing Agreement, Exclusive - RLA (the listing) with a California real estate broker (the listing broker). Can a realtor sign a sales contract without a complete listing agreement? Your real estate agent should walk you through each part of the listing agreement and any legal terms related to it.