§ 20.45. Separability. If any provision of any section of this article and each special law enacted pursuant to this article or the application thereof to any person or circumstance shall be judged invalid by a court of competent jurisdiction, such order or judgment shall be confined in its operation to the controversy in which it was rendered, and shall not affect or invalidate the remainder of any provision of any section of this article and each such special law or the application thereof to any other person or circumstances, and to this end each provision of this article and each such special law is hereby declared to be severable.