7 U.S.C. § 602 : US Code - Section 602: Declaration of policy; establishment of price basing period; marketing standards; orderly supply flow; circumstances for continued regulation

      It is declared to be the policy of Congress - 
        (1) Through the exercise of the powers conferred upon the
      Secretary of Agriculture under this chapter, to establish and
      maintain such orderly marketing conditions for agricultural
      commodities in interstate commerce as will establish, as the
      prices to farmers, parity prices as defined by section 1301(a)(1)
      of this title.
        (2) To protect the interest of the consumer by (a) approaching
      the level of prices which it is declared to be the policy of
      Congress to establish in subsection (1) of this section by
      gradual correction of the current level at as rapid a rate as the
      Secretary of Agriculture deems to be in the public interest and
      feasible in view of the current consumptive demand in domestic
      and foreign markets, and (b) authorizing no action under this
      chapter which has for its purpose the maintenance of prices to
      farmers above the level which it is declared to be the policy of
      Congress to establish in subsection (1) of this section.
        (3) Through the exercise of the powers conferred upon the
      Secretary of Agriculture under this chapter, to establish and
      maintain such production research, marketing research, and
      development projects provided in section 608c(6)(I) of this
      title, such container and pack requirements provided in section
      608c(6)(H) of this title (!1) such minimum standards of quality
      and maturity and such grading and inspection requirements for
      agricultural commodities enumerated in section 608c (2) of this
      title, other than milk and its products, in interstate commerce
      as will effectuate such orderly marketing of such agricultural
      commodities as will be in the public interest.

        (4) Through the exercise of the powers conferred upon the
      Secretary of Agriculture under this chapter, to establish and
      maintain such orderly marketing conditions for any agricultural
      commodity enumerated in section 608c(2) of this title as will
      provide, in the interests of producers and consumers, an orderly
      flow of the supply thereof to market throughout its normal
      marketing season to avoid unreasonable fluctuations in supplies
      and prices.
        (5) Through the exercise of the power conferred upon the
      Secretary of Agriculture under this chapter, to continue for the
      remainder of any marketing season or marketing year, such
      regulation pursuant to any order as will tend to avoid a
      disruption of the orderly marketing of any commodity and be in
      the public interest, if the regulation of such commodity under
      such order has been initiated during such marketing season or
      marketing year on the basis of its need to effectuate the policy
      of this chapter.