(1) This section applies to all members who are:
(a) Judges under the retirement system established under chapter
2.10, 2.12, or
2.14 RCW;
(b) Employees of the state under the retirement system established by chapter
41.32, 41.37, 41.40, or
43.43 RCW;
(c) Employees of school districts under the retirement system established by chapter
41.32 or
41.40 RCW, except for substitute teachers as defined by RCW
41.32.010;
(d) Employees of educational service districts under the retirement system established by chapter
41.32 or
41.40 RCW; or
(e) Employees of community college districts under the retirement system established by chapter
41.32 or
41.40 RCW.
(2) Only for compensation earned after the effective date of the implementation of this section and as provided by section 414(h) of the federal internal revenue code, the employer of all the members specified in subsection (1) of this section shall pick up only those member contributions as required under:
(3) Only for the purposes of federal income taxation, the gross income of the member shall be reduced by the amount of the contribution to the respective retirement system picked up by the employer.
(4) All member contributions to the respective retirement system picked up by the employer as provided by this section, plus the accrued interest earned thereon, shall be paid to the member upon the withdrawal of funds or lump sum payment of accumulated contributions as provided under the provisions of the retirement systems.
(5) At least forty-five days prior to implementing this section, the employer shall provide:
(a) A complete explanation of the effects of this section to all members; and
(b) Notification of such implementation to the director of the department of retirement systems.