No person may pursue any remedy alleging a violation of this chapter on the basis of any act or omission that does not constitute a violation of this chapter as amended by chapter 5, Laws of 1993 sp. sess. For purposes of this section, the phrase "pursue any remedy" includes pleading a defense, asserting a counterclaim or right of offset or recoupment, commencing, maintaining, or continuing any legal action, or pursuing or defending any appeal.
RCW 63.14.175