Subject to clause 26.10, if either party disputes a determination of the Independent Reviewer under clause 26.8(b), clause 26.9 or clause 26.12(a), either party may refer the matter to expert determination in accordance with clause 48.1, provided that the party disputing the Independent Reviewer's determination under clause 26.8(b) or clause 26.9 (as applicable) gives a notice to the other party within 10 Business Days after the determination.