7.1 As soon as practicable after the contents of the Estimate have been agreed or otherwise determined pursuant to paragraph 6 of this Section 3, the Authority shall:
7.1.1 confirm in writing to Sub-hubco the Estimate (as modified); or
7.1.2 withdraw the Authority Change Notice.
7.2 If, in any Contract Year, the Authority has either not confirmed an Estimate (as modified, if applicable) within twenty (20) Business Days of the contents of the Estimate having been agreed or determined in accordance with the foregoing provisions of this Section 3 or has withdrawn an Authority Change Notice for a Medium Value Change on three or more occasions, then the Authority shall pay to Sub-hubco on the third and each subsequent such occasion in that Contract Year the reasonable additional Third Party Costs incurred by Sub-hubco in preparing the Estimate provided that:
7.2.1 Sub-hubco has used all reasonable endeavours to submit a reasonably priced Estimate; and
7.2.2 Sub-hubco made available to the Authority, with the Estimate, a cost break down of Third Party Costs incurred by Sub-hubco to prepare the Estimate, which shall be consistent with the estimate of such costs approved by the Authority pursuant to paragraph 2.5 of this Section 3.