The tax levied by RCW
82.08.020 does not apply to auction sales made by or through auctioneers of personal property (including household goods) that has been used in conducting a farm activity, when the seller thereof is a farmer as defined in RCW
82.04.213 and the sale is held or conducted upon a farm and not otherwise. The exemption in this section does not apply to personal property used by the seller in the production of cannabis, useable cannabis, or cannabis-infused products.