Conn. Gen. Stat. § 54-76g: Judgment of youthful offender status.

If the defendant enters a plea of guilty to the charge of being a youthful offender or if, after trial, the court finds that he committed the acts charged against him in the information or complaint, the court shall adjudge the defendant to be a youthful offender and the information or complaint shall be considered a nullity and of no force or effect.