The provisions of this Part shall be severable, and if any item, subclause, clause, sentence, subparagraph, paragraph, subdivision, section, or Subpart of this Part, or the applicability thereof to any person or circumstances, shall be adjudged by any court of competent jurisdiction to be invalid, such judgment shall not affect, impair or invalidate the remainder thereof, nor the application thereof, but shall be confined in its operation to the item, subclause, clause, sentence, subparagraph, paragraph, subdivision, section, or Subpart thereof, or to the person or circumstance directly involved in the controversy in which such judgment shall have been rendered.