A Georgia real estate listing agreement is a service contract with which a broker is hired to sell real estate on behalf of a property owner. How to fill out the Georgia Land Purchase and Sale Contract?1. Enter the names and addresses of both parties. 2. The Land Purchase and Sale Agreement (F213) can be used when the property to be sold consists of unimproved property. 1. Exclusive Listing Agreement. A negotiable clause between broker and client that allows a broker to earn a commission after the term of the brokerage engagement expires.