N.Y. Retire. & Soc. Sec. Law § 410

§ 410. Exemption from taxes and legal process. The right of a person\nto a pension, a pension-providing-for-increased-take-home-pay, an\nannuity or a retirement allowance, to the return of contributions, the\npensions, the pension-providing-for-increased-take-home-pay, annuity, or\nretirement allowance itself, any optional benefit, any other right\naccrued or accruing to any person under the provisions of this chapter\nand the monies in the various funds continued under this chapter:\n 1. Are hereby exempt from any state or municipal tax, except the\nestate tax, and\n 2. Shall not be subject to execution, garnishment, attachment, or any\nother process whatsoever, and\n 3. Shall be unassignable, except as in this chapter specifically\nprovided.\n