RCW 82.04.332: Exemptions—Buying and selling at wholesale unprocessed milk, wheat, oats, dry peas, dry beans, lentils, triticale, canola, corn, rye, and barley.

This chapter does not apply to amounts received from buying unprocessed milk, wheat, oats, dry peas, dry beans, lentils, triticale, canola, corn, rye, and barley, but not including any manufactured products thereof, and selling the same at wholesale.