§ 139. Exemptions. The provisions of this article do not apply

1. To seed not intended for planting purposes.

2. To seed sold by the grower thereof on his own premises and delivered to the vendee or his agent or representative personally on such premises unless such seed has been advertised as being for sale.

3. 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 and unprocessed seed shall be subject to this article.

4. To any carrier in respect to any seed transported or delivered for transportation in the ordinary course of its business as a carrier, provided, that such carrier is not engaged in producing, processing, or marketing seed subject to the provisions of this article.