N.Y. Comp. Codes R. & Regs. tit. 9, § 9000.2
(b) Wherever used herein, the following terms shall be construed as follows:
(4) Financial organization means a person duly authorized to do business in the State of New York and who: The functions of a financial organization under this Subtitle may be carried out by a trustee, provided that the person serving as a trustee otherwise satisfies all of the requirements under this Subtitle applicable to a financial organization. For the purposes of this Subtitle, a financial organization that provides self-directed investment services to a plan through a mutual fund or brokerage window arrangement sponsored by such financial organization shall be recognized as the sole financial organization in relation to such self-directed investment services and the term financial organization shall not be deemed to include any entity sponsoring mutual funds provided through such window.