View the forms library. A One Time Showing Agreement is a commission agreement signed between a buyer's agent and a seller for specific named buyers.The Buyer Agency Contract (Form BAC) is the exclusive agency contract for buyers' and tenants' agents. A listing agreement is a legally binding contract between a homeowner and the real estate agent or broker who will be listing the property for sale. Now Buyers must be ready to sign an exclusive, or nonexclusive agency contract (there is a difference) before touring properties. This is a listing contract for sale it's about three or four pages gets a little tricky in some spots but we're gonna kind of review it all right now. The first is that agents are required to get a signed Buyers Agency Agreement before showing a property to any prospective buyer. Its formal name is the Standard Agreement for the Sale of Real Estate. Flat Fee MLS Listing Philadelphia Pennsylvania. Everything you need to know to represent your seller!