1. The right of a person to a pension, a pension-providing-for-increased-take-home-pay, an annuity, or a retirement allowance, to the return of contributions, the pension, pension-providing-for-increased-take-home-pay, annuity, or retirement allowance itself, any optional benefit, any other right accrued or accruing to any person under the provisions of this chapter, and the moneys in the various funds provided for by this chapter, are hereby exempt from any state or municipal tax, and exempt from levy and sale, garnishment, attachment or any other process whatsoever, and shall be unassignable except as in this chapter specifically otherwise provided.
2. Notwithstanding the foregoing provisions of this section, a retired member who, immediately prior to his or her retirement, was a member of an employee organization, certified or recognized pursuant to article fourteen of the civil service law as the representative of all employees in the negotiating unit in which such retired member was then employed, and had duly executed and filed a deduction authorization card, authorizing the payment of membership dues and such retired member's share of the cost for employee organization-sponsored benefit plans to such employee organization, which was in effect at the time of his or her retirement, shall have the right, at any time after his or her retirement, to execute and file a new deduction authorization card authorizing the payment of membership dues and such retired member's share of the cost for employee organization-sponsored benefit plans to an employee organization of which he or she is then a member and which is then so certified or recognized as the representative of all employees in such negotiating unit. Such authorization shall continue in effect until revoked by such retired member or superseded by a new deduction authorization card executed and filed by such retired member in the form and manner prescribed by executive order of the mayor. The board shall determine the cost of administering deductions for employee organization-sponsored benefit plans and the cost incurred by the retirement system and the comptroller in administering the same shall be paid by the employee organization.
3. Notwithstanding the foregoing provisions of this section, a retired member shall have the right, at any time after his or her retirement, to execute and file a deduction authorization card authorizing the payment of voluntary contributions to the political committee, as defined in subdivision one of section 14-100 of the election law, of such member's employee organization provided such organization is certified or recognized pursuant to article fourteen of the civil service law as the representative of all employees in the negotiating unit in which such retired member was then employed. Such authorization shall continue in effect until revoked in writing by such member. The board shall determine the cost of administering deductions for voluntary contributions to the political committee and the cost incurred by the retirement system and the comptroller in administering such contributions shall be paid from the funds of the political committee.
4. Notwithstanding the foregoing provisions of this section, a retired member who has elected to defer the commencement of the distribution of his or her tax-deferred annuity account pursuant to subdivision g of section 13-582 of this chapter, shall have the right, at or any time on or after his or her retirement, to file with the retirement system a duly executed deduction authorization card directing repayment of a tax-deferred annuity loan from the retired member's retirement allowance payments in accordance with rules and regulations which shall be adopted by the retirement board. Such authorization shall continue in effect until revoked in writing by such retired member.