Effective with the growing season of 1990, the following procedure is established for the reporting and paying of the assessment of three dollars per ton of vinifera grapes harvested, levied pursuant to RCW 15.88.130:

(1) All first handlers of vinifera grapes for resale or for processing shall withhold the amount of the assessment from their remittance to growers and transmit same to the commission. All such assessments accumulated will be due and payable to the commission on or before December 31 of each year. First handlers shall submit to the commission on or before December 31 of each year, a report listing the name, address, tons of vinifera grapes handled or purchased, and amount deducted or collected for each grower on forms provided by the commission.

(2) All growers selling vinifera grapes for export, shall pay the assessment directly to the commission, on or before December 31 of each year. Such growers shall submit to the commission on or before December 31 of each year, a report listing the name and address of the exporter, tons sold, and assessment due, on forms provided by the commission.