N.Y. Comp. Codes R. & Regs. tit. 22, § 691.4
(a) This court shall appoint three grievance committees for the Second Judicial Department. One of these grievance committees shall be charged with the duty and power to investigate and prosecute matters arising in or concerning attorneys practicing, or currently residing or having resided in the second, eleventh, and thirteenth judicial districts at the time of their admission to practice by the Appellate Division; another shall have the duty and power to investigate and prosecute matters arising in or concerning attorneys practicing, or currently residing or having resided in the ninth judicial district at the time of their admission to practice by the Appellate Division; and the third shall have the duty and power to investigate and prosecute matters arising in or concerning attorneys practicing, or currently residing or having resided in the tenth judicial district at the time of their admission to practice by the Appellate Division. These committees shall also have the power and duty to investigate and prosecute matters concerning attorneys to whom the Rules for Attorney Disciplinary Matters (Part 1240 of this Title) applies pursuant to section 1240.1 of this Title.
(b)