Effective with the growing season of 1999, the following procedure is established for the reporting and paying of assessments levied pursuant to RCW 15.65.410 and WAC 16-545-040:

(1) All first handlers of turfgrass seed grown in the state of Washington, or the person acting on behalf of a first buyer, shall withhold the amount of assessment from their remittance to growers of turfgrass seed and transmit it to the commission.

(2) All assessments will be due and payable to the commission within thirty days of collection. With the submission of the assessments, a report listing the name, address, volume handled or purchased and amount deducted or collected for each producer must be submitted to the commission on forms provided by or approved by the commission.

(3) Any assessments paid after the above deadlines shall be accompanied by an administrative fee of 10% in accordance with RCW 15.65.440 of the act.