(1) Subject to subsections (2) and (3) of this section, the right of a person to a retirement allowance, disability allowance, or death benefit, to the return of accumulated contributions, the retirement, disability or death 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 fund created under this chapter, are hereby exempt from any state, county, municipal, or other local tax and shall not be subject to execution, garnishment, attachment, the operation of bankruptcy or insolvency laws, or any other process of law whatsoever, whether the same be in actual possession of the person or be deposited or loaned and shall be unassignable.
(2) On the written request of any person eligible to receive benefits under this section, the department may deduct from such payments the premiums for life, health, or other insurance. The request on behalf of any child or children shall be made by the legal guardian of such child or children. The department may provide for such persons one or more plans of group insurance, through contracts with regularly constituted insurance carriers or health care service contractors.
(3) Subsection (1) of this section shall not prohibit the department from complying with (a) a wage assignment order for child support issued pursuant to chapter
26.18 RCW, (b) an order to withhold and deliver issued pursuant to chapter
74.20A RCW, (c) a notice of payroll deduction issued pursuant to *RCW
26.23.060, (d) a mandatory benefits assignment order issued by the department, (e) a court order directing the department of retirement systems to pay benefits directly to an obligee under a dissolution order as defined in RCW
41.50.500(3) which fully complies with RCW
41.50.670 and
41.50.700, or (f) any administrative or court order expressly authorized by federal law.