Except as otherwise provided in Section 61992, the director shall, prior to the formulation of a stabilization and marketing plan for market milk for any marketing area, conduct a public hearing in the area for the purpose of determining whether or not the formulation of a stabilization and marketing plan for market milk for such area is desired by producers whose major interest in the market milk business is in the production of market milk for the marketing area and that both:
(a) Represent not less than 65 percent of the total number of producers whose major interest in the market milk business is in the production of market milk for the marketing area.
(b) Produce not less than 65 percent of the total volume of the market milk produced for the marketing area by all such producers.
(Added by Stats. 1977, Ch. 1192.)