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. In completing this form employees will be acknowledging in writing that their second job is subordinate to their employment with Nassau County.Talk with either your broker your sales manager or your legal team to ensure that the contracts and disclosures that you're filling out are being done correctly. Sales of tangible personal property are subject to New York sales tax unless they are specifically exempt. Sales of services are generally exempt. The Licensing and Regulation section provides information relating to professional, facility, and permit licensing along with information on enforcement. Mount Sinai Health System endeavors to make Mount Sinai's Career Center accessible to any and all users. Groundbreaking science. LIBOR is one of the largest local REALTOR® Boards in the United States. Open Listing: Multiple agents can market the property, only the agent who brings in the buyer gets a commission.