The probation department shall notify the arresting law enforcement agency to seal the arrest records described in subdivision (a), and the arresting law enforcement agency shall seal the records in its custody relating to the arrest no later than 60 days from the date of notification by the probation department. Upon sealing, the arresting law enforcement agency shall notify the probation department that the records have been sealed. Within 30 days from receipt of notification by the arresting law enforcement agency that the records have been sealed pursuant to this section, the probation department shall notify the minor in writing that their record has been sealed pursuant to this section. If records have not been sealed pursuant this section, the written notice from the probation department shall inform the minor of their ability to petition the court directly to seal their arrest and other related records. Cal Wel & Inst Code § 786.5(b).

Once the court has ordered the person's records sealed, the proceedings in the case shall be deemed not to have occurred and the individual may respond accordingly to any inquiry, application, or process in which disclosure of this information is requested or sought. Cal Wel & Inst Code § 786.5(c).