N.Y. Real Prop. Law § 466
An agent representing a seller of residential real property as a listing broker shall have the duty to timely inform each seller represented by that agent of the seller's obligations under this article. An agent representing a buyer of residential real property, or, if the buyer is not represented by an agent, the agent representing a seller of residential real property and dealing with a prospective buyer, shall have the duty to timely (in any event, before the buyer signs a binding contract of sale) inform such buyer of the buyer's rights and obligations under this article. If an agent performs the duties and obligations imposed upon him or her pursuant to this section, the agent shall have no further duties under this article and shall not be liable to any party for a violation of this article.
N.Y. Real Prop. Law § 466