(1) Under the authority of Article VIII of the state Constitution as amended, agricultural commodity commission expenditures for agricultural development or trade promotion and promotional hosting by an agricultural commodities commission under chapters
15.24, 15.28, 15.44, 15.65, 15.66, 15.88, 15.89, 15.115, and
16.67 RCW shall be pursuant to specific budget items as approved by the agricultural commodity commission at the annual public hearings on the agricultural commodity commission budget.
(2) Agricultural commodity commissions shall adopt rules governing promotional hosting expenditures by agricultural commodity commission employees, agents or commissioners. The rules shall identify officials and agents authorized to make expenditures and the objectives of the expenditures. Individual agricultural commodity commission commissioners shall make promotional hosting expenditures, or seek reimbursements for these expenditures, only in those instances where the expenditures have been approved by the agricultural commodity commission. All payments and reimbursements shall be identified and supported on vouchers.