The provisions of section 7104 (relating to labels and labeling) shall not apply to potatoes or grain not intended for seeding purposes or to seed in storage in or being transported or consigned to a seed cleaning or conditioning establishment for cleaning or conditioning if:
(1) the invoice or labeling accompanying any shipment of the seed bears the statement "seed for conditioning"; and
(2) any labeling, advertisement or other representation which may be made with respect to such unclean or unprocessed seed complies with the provisions of this chapter.