N.Y. Retire. & Soc. Sec. Law § 410-C
Notwithstanding any other provision of law to the contrary, the comptroller is hereby authorized to deduct from the retirement allowance of any retired member enrolled in the New York state and local police and fire retirement system an amount of membership dues as the retired member may specify in writing filed with the comptroller for the payment of such employee organization membership dues and premiums for employee organizations sponsored group insurance plans. Any such written authorization may be withdrawn by such retired member at any time upon filing written notice of such withdrawal with the comptroller. Notwithstanding the foregoing provisions of this section, the employee organization certified, pursuant to article fourteen of the civil service law, to represent the collective negotiating unit from which the member retired, shall have exclusive payroll deduction of membership dues and premiums for insurance and mass-merchandised automobile and homeowners' insurance policies for retired members of such collective negotiating unit. Deductions for such dues and premiums shall not be authorized for any other employee organization or group except by express written approval of such appropriate certified employee organization.
N.Y. Retire. and Soc. Sec. Law § 410-C