The Principal's Settlement Bank may from time to time establish a limit on the net debit balance of the Principal. This limit shall be known as the Principal Net Debit Cap. The Principal Net Debit Cap may be adjusted at any time on a Settlement Day in accordance with Rule 8.4.1. The net debit balance and the total net debit balance of the Principal at any time on a Settlement Day shall not exceed the Principal Net Debit Cap applicable at that time.