Section 319.925 - Refunds for overpayment; grant of refund as credit(1) The Department of Transportation shall provide a refund to a registered owner or lessee that has overpaid the per-mile road usage charge imposed under ORS 319.885.(2) The department may provide by rule that the refund under this section be granted as a credit against future per-mile road usage charges incurred by the registered owner or lessee.