(a) If the Agency disputes an amount or a computation in a Company Invoice, the Agency shall: (i) send a written notice to the Company informing it of such fact and detailing the basis for the dispute; and (ii) pay the undisputed portion not later than its due date.
(b) The Parties shall endeavor to settle the billing dispute within thirty (30) Days after receipt by the Company of the Agency's notice following the steps for the settlement of disputes provided in Section 19 (Dispute Resolution). If the dispute is resolved in the Company's favor, then the amount disputed shall bear interest at the Penalty Rate from the original due date until payment is received by the Company.