(1) The director of retirement systems shall adopt rules, in accordance with chapter
34.05 RCW, under which each disability board shall execute its disability retirement duties under this chapter. The rules shall include, but not be limited to, the following:
(a) Standards governing the type and manner of presentation of medical, employability, and other evidence before disability boards; and
(b) Standards governing the necessity and frequency of medical and employability reexaminations of persons receiving disability benefits.
(2) If the director determines that an order or determination of a disability board was not processed in accordance with the rules established under this section, the director may remand the order or determination for further proceedings consistent with the rules.