This is an important form because it helps a buyer and a buyer's agent set clear expectations about the representation the buyer's agent is going to offer. This agreement allows that to be negotiated in a way that best benefits the seller and in terms that the buyer will agree to.Addendum to Exclusive Buyer-Broker Agreement (Subagency), Cancellation and Termination of the Exclusive Right to Sell Listing Agreement and Agency Disclosure. Peter goes in-depth on this updated form that helps satisfy the NAR requirement of a signed agreement with Buyers before touring a home. THIS IS A LEGALLY BINDING AGREEMENT - READ CAREFULLY BEFORE SIGNING. You pay a commission to the agent you signed up with. Auction agency agreement.