5.1 The Monthly Service Payment shall be adjusted by an amount "IEB" to reflect the amount agreed or determined pursuant to paragraph 4.2 (Allocated Allowances and Trading), 4.4 (Allocated Allowances and Trading) and/or paragraph 4.7 (Allocated Allowances and Trading) for the month following the date on which it is agreed or determined that such adjustment should be made in accordance with paragraph 1.1.13 of Section B of this Part 18 of the Schedule (Payment Mechanism).
5.2 Within twenty (20) Business Days of the end of any relevant Scheme Year or other relevant period, Project Co shall notify the Board of the actual costs incurred by Project Co or the Designated Operator of implementing the strategy agreed or determined in accordance with paragraph 4 (Allocated Allowances and Trading) above, including procuring Allowances to cover the Allowances Variance and/or protecting against the effect of changes in the price of Allowances. A further adjustment shall be made subject to paragraph 5.3 (Adjustments to the Annual Service Payment) below, to reflect any differences between the amount of those actual costs (subject to the obligation in paragraph 4.5 above to use reasonable endeavours to maximise revenue and minimise cost) and the anticipated costs that have been reflected in any previous adjustment to the Monthly Service Payment made in accordance with paragraph 5.1 (Adjustments to Annual Service Payment).
5.3 When making adjustments to the Monthly Service Payment in accordance with this paragraph 5 (Adjustments to Annual Service Payment), the parties shall have regard to paragraph 6.5 below and to any relevant findings or recommendations made by any independent expert which require to be made pursuant to paragraph 4.5 of Section F of this Part 18 of the Schedule (Payment Mechanism).