Any person claiming or receiving compensation or whose award of compensation is being reviewed shall furnish all such information as the compensating authority may at any time reasonably require; and he shall verify the same in such manner, including the production of books or original documents in his possession or control, as may be reasonably so required.

Any such person shall, on receipt of reasonable notice, present himself for interview at such place as the compensating authority may reasonably require; and any person who attends for interview may, if he so desires, be represented by his adviser.