A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers. I'm considering signing a one-day agreement with a real estate agent to view a property.OneKey® MLS is the largest MLS in New York with more than one million listings. We serve 45000 real estate professionals with impeccable data and technology. Purchaser agrees to use diligent efforts to obtain said approval and shall apply for the mortgage loan within business days after the Seller has accepted this. A OneTime Showing Agreement form is a legally binding agreement between the buyer's broker and the homeowner listing the property for sale. This booklet explains many of these laws you need to know and provides resources where you can find more information about landlord and tenant issues. A quick overview of the Massachusetts Association of Realtors exclusive right to sell listing agreement. Listing agreements serve as a hiring contract with the agent for the sale of a property, and are only valid for a set amount of time. This is an action of contract to recover for services in procuring a customer for certain real estate.