This guide will help you to understand the changes and the proper way to fill out the forms. Review a sample New York Exclusive Right To Sell Listing Agreement before you sign.A New York real estate agent listing agreement is a written contract between a real estate broker and an individual regarding a property sale. Listing agreements are signed between the owner of the property and the Principal Broker of the firm or the Managing Broker responsible for your office. 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. Agreement and in the listing data form to be submitted to the MLS. This form is a listing agreement between a property owner (seller) and a broker, granting the broker the exclusive right to sell the property.