If required by the Company the Agent of the Company shall in case of any loss to the Insured be admitted at all reasonable times to examine into the circumstances of such loss and the Insured shall on being required so to do by the Company produce all books accounts receipts and documents relating to or containing entries relating to the loss in his possession and furnish copies of or extracts from such of them as may be required by the Company so far as relate to such claim or will in any way enable the Company to ascertain the correctness thereof or the liability of the Company under this Policy.