7 U.S.C. § 87g : US Code - Section 87G: Relation to State and local laws; separability

Search 7 U.S.C. § 87g : US Code - Section 87G: Relation to State and local laws; separability

(a) No State or subdivision thereof may require the inspection or
description in accordance with any standards of kind, class,
quality, condition, or other characteristics of grain as a
condition of shipment, or sale, of such grain in interstate or
foreign commerce, or require any license for, or impose any other
restrictions upon the performance of any official inspection or
weighing function under this chapter by official inspection
personnel. Otherwise nothing in this chapter shall invalidate any
law or other provision of any State or subdivision thereof in the
absence of a conflict with this chapter.
(b) If any provision of this chapter or the application thereof
to any person or circumstances is held invalid, the validity of the
remainder of the chapter and of the application of such provision
to other persons and circumstances shall not be affected thereby.