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. The general rule is that a contract is effective when both parties agree (ie, sign the Agreement of Sale) AND acceptance is communicated to the offering party.A Pennsylvania residential purchase agreement establishes a legal arrangement between a buyer and a seller in a real estate transaction. Your offer must be in writing. This is done through a Residential Purchase Agreement, which must conform to varying state and local laws. Our real estate attorney can help you if you have suffered damages due to a breach of a real estate contract. You can never pay a realtor directly. It always has to go through their brokerage and then the brokerage gives the realtor a cut of that. What is the Homestead Credit? You can edit your Application On-File at any time to keep it up-to-date.