(d) Upon at least two(2) business days’ prior written notice, the contractor shall, and shall cause its Subcontractors to, afford and facilitate reasonable access by the GOL and its representatives to all parts of the sites and of the project and, during normal business hours and at reasonable intervals (which access shall be no more than quarterly except to the extent required by clause (iii) above) to the business offices of in the contractor in order for the GOL to carry out monitoring and inspection rights provided in the mining concession agreement;