On or before the tenth (10 th ) Business Day after each calendar month during which this Agreement is in effect, BP Pipelines shall submit an invoice (either in paper format or in such electronic format as is reasonably requested by the Partnership) to the Partnership for (i) the BP Administrative Fee installment due with respect to such month as well as any other compensation and reimbursable expenses due under Section 3.2(a)(ii) (“ Reimbursable Expenses ”) that have been incurred through the end of such month and not previously paid by the Partnership. The Partnership shall, within ten calendar days of receipt, pay such invoice, except for any Reimbursable Expenses therein being disputed in good faith by the Partnership. Any amounts that the Partnership has disputed in good faith and that are later determined by any court or other competent authority having jurisdiction, or by agreement of the Parties, to be owing from the Partnership shall be paid in full within ten calendar days of such determination or agreement, together with interest thereon at the Interest Rate (pro-rated for the number of days for which such payment is delinquent), from the date due under the original invoice until the date of payment.