If any part of the provisions of this chapter, or the application thereof, to any person or circumstance is held invalid in the final judgment of a court of competent jurisdiction, the remainder of this chapter, including the application of such part or provision to other persons or circumstances, shall not be affected thereby, and this chapter shall otherwise continue in full force and effect and shall otherwise be fully operative. To this end, the provisions of this chapter, and each of them, are hereby declared to be severable.