Sec. 28. NONREDUCTION, NONALIENATION, AND NONASSIGNMENT OF BENEFITS. (a) No portion of the funds held by the pension system, either before or after an order for its disbursement by the board, and no amounts due or to become due to any member or survivor under this article may be held, seized, taken, subject to, detained, or levied on by virtue of any execution, attachment, garnishment, injunction, or other writ, and no order or decree, and no process may issue out of or by any court of this state for the payment or satisfaction, in whole or in part, out of the funds held by or due from the pension system, of any debt, damage, claim, demand, or judgment against any member, survivor, dependent, or any other person.

(b) No part of the funds or any claim to the funds may be directly or indirectly assigned or transferred. Any attempt to transfer or assign any part of the funds or a claim to the funds is void.

(c) The funds shall be held, kept, and disbursed for the purposes provided by this article, and for no other purpose, except that a retired member, survivor, or dependent, at the person's discretion, may have deducted from the person's pension the monthly premium cost of any group insurance program in which the retired member is participating.

(d) A benefit payable under this article may not be reduced or discontinued for any person except under the terms applicable to the benefit at the time the person becomes eligible to receive the benefit.

(e) This section does not prevent the division of the benefits accrued by a member under any court order determined by the board or its designee to be a qualified domestic relations order and the payment of a share of a retired member's benefits or contributions to an alternate payee in accordance with the order.