(1) When sold and delivered by a farmer-grower of this state on his own premises, but a farmer-grower is required to label seed when sold and shipped away from his premises, but is not required to hold the seedsman’s permit. These provisions do not apply to commercial growers of seed.

(2) When sold or represented to be sold for purposes other than seeding, providing that the vendor shall make it unmistakably clear to the purchaser of such seed that it is not for seeding purposes.

(3) When seed for processing is being transported to, or consigned to, or stored in a processing or cleaning establishment, provided that the invoice or labeling accompanying said seed bears the statement “seed for processing.” Other labeling or representation which may be made with respect to the uncleaned or unprocessed seed shall be subject to this article.

(4) No label shall be required, unless requested by the purchaser, on agricultural seed, mixtures of same, vegetable seed, flower, and tree and shrub seed when such seeds are sold directly to and in the presence of the purchaser and taken from a container labeled in accordance with this article.

(5) No person shall be subjected to the penalties of this article for having sold, offered or exposed for sale in this state agricultural seed, mixtures of same, vegetable seed, flower seed, or tree and shrub seed which were incorrectly labeled or represented as to kind, variety or origin, which seed cannot be identified by examination thereof, unless he has failed to obtain an invoice or grower’s declaration or other labeling information and to take such other precautions as may be reasonable to insure the identity to be that stated.