Wash. Rev. Code § 82.08.120
Whoever, excepting as expressly authorized by this chapter, refunds, remits, or rebates to a buyer, either directly or indirectly and by whatever means, all or any part of the tax levied by this chapter shall be guilty of a misdemeanor. The violation of this section by any person holding a license granted by the state or any political subdivision thereof shall be sufficient grounds for the cancellation of the license of such person upon written notification by the department of revenue to the proper officer of the department granting the license that such person has violated the provisions of this section. Before any license shall be canceled hereunder, the licensee shall be entitled to a hearing before the department granting the license under such regulations as the department may prescribe.
RCW 82.08.120
Construction-Severability-1975 1st ex.s. c 278: See notes following RCW 11.08.160.