(1) The sole purpose of RCW
41.04.445 and
41.04.450 is to allow the members of the retirement systems created in chapters
2.10, 2.12, 41.26, 41.32, 41.35, 41.37, 41.40, 41.34, and
43.43 RCW to enjoy the tax deferral benefits allowed under 26 U.S.C. 414(h). Chapter 227, Laws of 1984 does not alter in any manner the provisions of RCW
41.45.060,
41.45.061, and
41.45.067 which require that the member contribution rates shall be set so as to provide fifty percent of the cost of the respective retirement plans.
(2) Should the legislature revoke any benefit allowed under 26 U.S.C. 414(h), no affected employee shall be entitled thereafter to receive such benefit as a matter of contractual right.