In any proceeding under this chapter, the burden of proving an exemption, an exception from a definition, or a preemption of a provision of this chapter is upon the person claiming it.
RCW 21.20.540
In any proceeding under this chapter, the burden of proving an exemption, an exception from a definition, or a preemption of a provision of this chapter is upon the person claiming it.
RCW 21.20.540