Prior to inputting a listing to the service, the listing broker shall obtain the written agreement of the seller expressly granting the listing broker authority to: (1) file the listing with the service for publication and dissemination to those authorized by the MLS; (2) act as an agent for the seller; (3) abide by the rules of the service; (4) provide timely notice of status changes of the listing to the service; (5) provide sales information including selling price to the service upon sale of the property for publication and dissemination to those authorized by the MLS and (6) publish sales information after the final closing of a sales transaction in accordance with these MLS rules8.2 Written Documentation.