PAR's Buyer Agency Contract includes all of the legallyrequired language and allows for a buyer's broker fee to be structured in several ways. Here is a little refresher on the basics of agency in Pennsylvania and some real questions that we frequently receive.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. A Broker is a Dual Agent when a. Broker represents both a buyer and Seller in the same transaction. 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. If you are interviewing multiple agents for the position, ask each Realtor for a sample listing agreement. PAR's Buyer Agency Contract includes all of the legallyrequired language and allows for a buyer's broker fee to be structured in several ways. Find out key issues involved with selling a house in Pennsylvania. What's in the listing agreement document?