In the event that any article, section, subsection or other provision of this Land Use Code is held or becomes invalid or void, by virtue of any decision of any court of competent jurisdiction, or by virtue of any controlling federal, state or other law, then only such article, section, subsection or other provision which is specifically mentioned in such decision of the court, or which is specifically controlled by such federal, state or other law, shall be affected, and the remaining portions of this Land Use Code shall continue to be valid and remain in full force and effect.