; and (B) the number of instances in which the office of a United States attorney supported or opposed an expungement or sealing petition; and (2) includes any supporting data that the court determines relevant but does not name any petitioner. . 3. Retroactive Effect This Act and the amendments made by this Act apply with respect to youth without regard to whether they become involved in the Federal criminal justice system before, on, or after the date of the enactment of this Act.