The agreement must have a start and end date. This less restrictive agreement allows the seller to hire multiple agents to help sell the property.A written agreement will be required between REALTORS® and their clients, outlining the terms of REALTOR® compensation. Curious how to fill out a listing agreement? This video covers the Tennessee Realtor Form Exclusive Right To Sell Listing Agreement. A listing agreement is a contract between homeowners and brokers that legally establishes how a realtor will find a property buyer on the seller's behalf. A listing contract in which the broker's commission is contingent on the broker producing a ready, willing and able buyer. A contractual agreement under which the listing broker acts as the agent or as the legally recognized non-agency representative of the seller(s). MLS Authority: REALTOR® is authorized to place information about the Real Estate in the Multiple Listing Service of the Heartland. The time period of the listing agreement. 6.