The JSU worker shall prepare a presentence investigation before the court imposes a sentence on a youthful offender who has been found guilty of or has pled guilty or entered a plea of nolo contendere to a youthful offender offense. The JSU worker shall not be required to prepare the presentence investigation if the youthful offender, with court approval, waives the investigation or if an investigation has previously been prepared.
Okla. Admin. Code § 377:25-11-4