(1) Any person who knowingly attempts to evade the tax imposed under this chapter or payment thereof is guilty of a class C felony as provided in chapter 9A.20 RCW.(2) Any person who knowingly fails to pay tax, make returns, or supply information, as required under this chapter, is guilty of a gross misdemeanor as provided in chapter 9A.20 RCW.[ 2026 c 238 s 601.]Notes:Findings—Intent—Effect of invalidation of 2026 c 238 s 201—Automatic expiration date and tax preference performance statement exemption—Necessity of act—Intent—Implementation by department of revenue—2026 c 238: See notes following RCW 82A.04.030.