7 U.S.C. § 6504 — National standards for organic production

have been produced and handled without the use of synthetic^* chemicals, except as otherwise provided in this chapter;

except as otherwise provided in this chapter and excluding livestock^*, not be produced on land to which any prohibited substances, including synthetic chemicals, have been applied during the 3 years immediately preceding the harvest of the agricultural products; and

be produced and handled in compliance with an organic plan^* agreed to by the producer^* and handler^* of such product and the certifying agent^*.