Listing and Buyer Employment Agreements. Written in clear and unambiguous language."I tell my agents two things when filling out the listing agreement," says Watrous. Many include a renewal clause, which provides an option to extend the listing period if both parties agree. Like most contracts, the seller has the right to request a shorter or longer time period if both parties agree. Any Listing automatically expires on the expiration date specified in the Listing agreement. Explore the ins and outs of terminating listing agreements in Arizona and how Gottlieb Law can guide you through legal complexities. The lease term shall be defined as the period between the start and end dates listed in the rental agreement, not including any renewal period(s). Most minor changes can be made right on the contract, but bigger changes might need to be added to an addendum at the end of the agreement. Buyer Broker Agreement – An employment contract to represent a buyer in the intended purchase of property.