1. Providing evidence that the Supplier has used best efforts, including (where practicable) using competitive quotes to oblige any sub-contactors to minimize any increase in costs and maximize any reduction in costs;
  2. Demonstrating how any expenditure to be incurred or avoided is being measured in a cost effective manner, including showing that when such expenditure is incurred or would have been incurred, any foreseeable Changes in Law at that time have been taken into account by the Supplier;

  3. Providing evidence in respect of how the Qualifying Change in Law has affected prices charged by any similar businesses, including similar businesses in which the Supplier’s shareholders or the Supplier’s affiliates carry on business; and

  4. Demonstrating that any expenditure that has been avoided, which was anticipated to be incurred to replace or maintain assets that have been affected by the Qualifying Change in Law concerned,