This article does not apply to any of the following:
(a) Any private home that is manufacturing for its own use.
(b) Any retailer that is dealing in finished products which are received from a distributor or producer in final form.
(c) Any producer that is selling milk and cream exclusively at wholesale for manufacturing, freezing, or processing milk and milk products.
(d) Any producer whose business consists exclusively of producing and distributing raw market milk produced by such producer.
(Enacted by Stats. 1967, Ch. 15.)