Oregon Revised Statutes Agriculture § 569.480

(a) Conducted a field inspection of the weed control site;

(b) Approved the eligible person's plan for implementing a weed control project; and

(c) Certified that specific expenditures are appropriate for implementation of the project.

(a) Receipts, invoices or other evidence indicating the amount and cost of the project; and

(b) Such other weed control information as the county court or commission may require.