(4) the officer resigns or retires during the course of an investigation and the officer has been served notice that the officer is under investigation.
Agencies and the Illinois State Police may report to the Board any conduct they deem appropriate to disseminate to another law enforcement agency regarding a law enforcement officer.
The agency or the Illinois State Police shall report to the Board within 10 days of a final determination and final exhaustion of any administrative appeal, or the law enforcement officer's resignation or retirement, and shall provide information regarding the nature of the violation. This notification shall not necessarily trigger certification review.
A law enforcement agency and the Illinois State Police shall be immune from liability for a disclosure made as described in this subsection, unless the disclosure would constitute intentional misrepresentation or gross negligence.