RCW 82.08.0251: Exemptions—Casual and isolated sales.

The tax levied by RCW 82.08.020 shall not apply to casual and isolated sales of property or service, unless made by a person who is engaged in a business activity taxable under chapters 82.04 or 82.16 RCW: PROVIDED, That the exemption provided by this section shall not be construed as providing any exemption from the tax imposed by chapter 82.12 RCW.