Persons who were members of the public employees' retirement system plan 2 prior to September 1, 2000, and were transferred or mandated into membership pursuant to chapter 341, Laws of 1998 shall suffer no diminution of benefits guaranteed to public employees' retirement system plan 2 members as of the date of their change in membership.
RCW 41.54.100
Effective date-1998 c 341: See RCW 41.35.901.