(1) If any clause, sentence, paragraph or part of this Chapter, or the application thereof to any person or circumstance, shall for any reason be adjudged by a court of competent jurisdiction to be invalid, such judgment shall not affect, impair or invalidate the remainder of this Chapter nor the application of such clause, sentence, paragraph or part to other persons or circumstances but shall be confined in its operation to the clause, sentence, paragraph or part thereof and to the persons or circumstances directly involved in the controversy in which such judgment shall have been rendered.