New York Real Estate Law

§440. Definitions
1. Whenever used in this article “real estate broker” means any person, firm, limited liability company or corporation, who, for another and for a fee, commission or other valuable consideration, lists for sale, sells, at auction or otherwise, exchanges, buys or rents, or offers or attempts to negotiate a sale, at auction or otherwise, exchange, purchase or rental of an estate or interest in real estate, or collects or offers or attempts to collect rent for the use of real estate, or negotiates or offers or attempts to negotiate, a loan secured or to be secured by a mortgage, other than a residential mortgage loan, as defined in §590 of the Banking Law, or other incumbrance upon or transfer of real estate, or is engaged in the business of a tenant relocator, or who, notwithstanding any other provision of law, performs any of the above stated functions with respect to the resale of condominium property originally sold pursuant to the provisions of the General Business Law governing real estate syndication offerings. Read More Here.