If any portion of this chapter is determined to be illegal, invalid, unconstitutional or superseded, in whole or in part, this entire chapter shall forthwith be voided and terminated, subject to the following provisions: a) in the event of a judicial, regulatory or administrative determination that all or some part of this chapter is illegal, invalid, unconstitutional or superseded, such action shall be effective as of the date of a final appealable court order; and b) in the event of any State legislative action that renders any portion of this chapter illegal, invalid, unconstitutional or superseded, such action shall be effective as of the effective date of such legislative action. (2019 Compilation)