(a) (Notification): Subject to clause 2.18, the determination of the expert(s) must be in writing and will be final and binding on the State and Project Co unless:
(i) the expert determination includes:
A. payment of compensation and the amount claimed, or subsequently determined by the expert to be payable, is equal to or greater than $2,000,000 (CPI Indexed); or
B. an extension of the Date for Acceptance or rejection of an extension to the Date for Acceptance, where the period of the extension that was claimed is more than 5 Business Days; and
(ii) within 10 Business Days after receipt of the determination, a party gives notice to the other party of its dissatisfaction with the expert's determination.
(b) (Amendment to determination): Upon submission by any party, the expert may amend its determination to correct:
(i) a clerical mistake;
(ii) an error from an accidental slip or omission;
(iii) a material miscalculation of figures or a material mistake in the description of any person, thing or matter; or
(iv) a defect in form.
(c) (Binding on an interim basis): Notwithstanding any challenge made under clause 49.3 to the determination of an expert, the determination of the expert will be binding on the parties until it is overturned, reversed, varied or otherwise changed by the determination of an arbitrator or a court in accordance with this Deed.