The intent and purpose of this act is to regulate the sale of potatoes for table use intended for intra-state and inter-state commerce when such sale is made by the grower, dealer or distributor, or any other person either by wholesale or retail or in any other manner: Provided, however, That the provisions of this act shall not apply to the grower or his employee in the sale of potatoes grown by such grower when made direct to the consumer.
MCL 290.159