A hearing need not, however, be held if a petition requesting a stabilization and marketing plan is presented to the director by the 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.)