(a) A grower of sweet potatoes in this state may dispose of the grower's own crop without complying with or being subject to the provisions of this subchapter.
(b) Sweet potatoes that are brought into this state are subject to the provisions of this subchapter.
(c) The department shall inspect, grade, and classify sweet potatoes if inspection and classification are requested by a person who intends to sell or transport sweet potatoes in commercial quantities.