2. a. This act shall apply to all rulings of unconstitutionality and all settlements dated on or after January 1, 1999.
b. In any case where a ruling of unconstitutionality or a settlement occurred on or after January 1, 1999 and prior to the enactment of this act, purging of identifying information pursuant to section 1 of this act shall be ordered by the court upon the ex parte application of any party.