In those cases in which the Child Protective Service Unit has made a final determination that a report is "indicated" or "unfounded", the Department shall provide written notification of the final determination to the subjects of the report and to the alleged perpetrator, parents, personal guardian or legal guardian of the alleged child victim, and other persons required to receive notice by regular U.S. mail. Subject to appropriation, written notification of the final determination shall be sent to a perpetrator indicated for child abuse or child neglect, or both, by both regular and certified mail.
325 ILCS 5/7.12