Refunds. If the amount paid by a qualified heavy equipment provider to the Department of Revenue under ORS 307.878 exceeds the amount of tax payable, the department shall refund the amount of the excess. A refund may not be made to a qualified heavy equipment provider that fails to claim the refund within two years after the due date for filing the return to which the claim for refund relates. [2018 c.64 §5]

ORS 307.880 — under Chapter 307.