(1) To grain or potatoes not intended for seeding purposes;
(2) To seed in storage in or consigned to a seed cleaning or processing establishment for cleaning or processing: Provided, That any labeling or other representation which may be made with respect to the uncleaned or unprocessed seed shall be subject to this article;
(b) No person shall be subject to the penalties of this article for having sold or offered or exposed for sale in this state any agricultural, vegetable or potato seeds which were incorrectly labeled or represented as to kind, variety, type, or origin, which seeds cannot be identified by examination thereof, unless he has failed to obtain an invoice or grower's declaration giving kind, or kind and variety, or kind and type, and origin, if required, and to take such other precautions as may be necessary to insure the identity to be that stated.