The bid requirements prescribed in this article are not applicable to contracts for the acquisition of the following:
(a)
Fluid milk and fluid cream, the price of which is established in accordance with Section 61871 of the Food and Agricultural Code.
(b)
Fruits and vegetables procured under contract with growers for the use of canneries maintained and operated by state agencies, if these canneries are maintained and operated so that their canned products will meet the standards prescribed for similar commercially packed canned products under federal law.
(c)
Agricultural surpluses that are available to the state or its agencies by any governmental agency.