Florida Realtors has pre-approved and standardized a few different formats of the listing agreement that we can go ahead and use both for sale. This section briefly explains why the clause is included in the Agreement.What do you do when the real estate listing agreement expires? A listing contract must contain a definite expiration date. Learn what goes into a seller's listing agreement with a real estate agent and what you should know before signing one. Many include a renewal clause, which provides an option to extend the listing period if both parties agree. Check your contract, but it would be unusual to have an exit clause in a listing contract, usually they only terminate on sale or expiration. To obtain advance information from recorded higlilights of selected documents to appear in the next issue, dial 202-523-5022.