Upon the approval in writing of a milk inspection service by the director, the approved milk inspection service shall do all of the following:
(a) Grade market milk as produced or sold under its jurisdiction.
(b) Require the use of the respective grade designations as prescribed in this division.
(c) Enforce this division in accordance with the regulations which are adopted by the director that pertain to market milk.
(Enacted by Stats. 1967, Ch. 15.)