(1) This chapter applies only to members of plan 3 retirement systems created under chapters 41.32, 41.35, and 41.40 RCW.
(2) Plan 3 consists of two separate elements:
(a) A defined benefit portion covered under:
(i) Sections 101 through 117, chapter 239, Laws of 1995; or
(ii) Sections 1 through 25 and 201 through 213, chapter 341, Laws of 1998; or
(iii) Sections 101 through 316, chapter 247, Laws of 2000; and
(b) A defined contribution portion covered under this chapter. Unless specified otherwise, all references to "plan 3" in this chapter refer to the defined contribution portion of plan 3.