23. DISPUTE RESOLUTION23.1. If a dispute arises between the Parties it shall first be referred to the Parties' nominated relationship managers. If the Parties' nominated relationship managers cannot resolve the dispute within a maximum of ten (10) Business Days after it has been referred, the dispute shall be referred to the business unit director of Supplier and the business unit director of Buyer (or anyone reasonably appointed by Buyer to deal with the dispute) for resolution.