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 going to be how to fill out the agreement of sale for pennsylvania.View the forms library. A For Sale By Owner contract Pennsylvania must include: 1. The Purchase Price, 2. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer. You've successfully helped your Buyer decide to make an offer on a home to buy! Municipality (city, borough, township). County. Option contracts offer buyers a chance to put a property "on hold" until they're ready to complete the purchase. This FSBO paperwork is needed as soon as you accept an offer, so it's useful to have a purchase agreement onhand that you can fill out quickly.