N.Y. Comp. Codes R. & Regs. tit. 22, § 1205.3 – List of professions.

(a) The Appellate Divisions jointly shall establish and maintain a list of professions, set forth in section 1205.5 of this Part designated by the Appellate Divisions sua sponte or approved by them upon application of a member of a nonlegal profession or nonlegal professional service firm, with whose members a lawyer may enter into a cooperative business arrangement to perform legal and nonlegal services as authorized by section 1200.5-c of this Title.
(b) A member of a nonlegal profession may apply to the Appellate Division to have that profession included in the list by submitting to the Appellate Division Clerk's Office in any Judicial Department a petition to establish that the profession is composed of individuals who, with respect to their profession, meet the requirements set forth in section 1200.5-c(b)(1) of this Title.