An may be rejected by the in charge of the appropriate office of inspection if the objects to the cutting an adequate number of specimens to determine the interior or of the product to be inspected, or for failure of the (a) to observe the of this part, (b) to furnish necessary information or to make the commodity reasonably available or accessible for inspection, (c) to pay for previous rendered, or (d) when it appears that to perform the inspection and certification service would not be to the best interest of the Government. Such shall be notified promptly of the reason for such rejection.