In all districts, any conforming use which is in violation of the supplementary use regulations, or of the special provisions applying along district boundaries, may be changed to another use, and the changed use need not meet such district regulations, except as set forth herein, provided that such changed use shall not create new instances of such violation or increase the amount of violation previously existing.

Any such changed use and all accessory storage of materials and products shall meet the requirements set forth in Sections 32-41 (Enclosure within Buildings), 42-41 (Enclosure of Commercial or Manufacturing Activities) or 42-42 (Enclosure or Screening of Storage).