N.Y. Comp. Codes R. & Regs. tit. 3, § 209.3
(c) Additional nominations may be made by written petition as specified in the bylaws of the MCU, except that:
(2) signatures on nominating petitions shall be valid as long as the member signing shall have been a member of the MCU for at least 90 days immediately preceding the date of the signing of the petition, and shall have furnished on the petition next to the member's name either:
(iii) the member's social security number.
Petitions shall be filed with the superintendent at least 40 days prior to the date set for the annual meeting.