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. 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.Everything you need to know to represent your seller! 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. View the forms library. ☐ - Fixed Payment Commission: A fixed payment in the amount of. You can submit a request for an agreement online through the Philadelphia Tax Center. Municipality (city, borough, township). County. Seller agrees that Broker and Broker's Licensees may also represent the buyer(s) of the Property. This is going to be how to fill out the agreement of sale for pennsylvania.