(a) Information collected, assembled, or maintained by or on behalf of the division under Section 413.0511 or 413.0512 constitutes an investigation file for purposes of Section 402.092 and may not be disclosed under Section 413.0511 or 413.0512 except as provided by that section.
(b) Confidential information, and other information to which access is restricted by law, developed by or on behalf of the division under Section 413.0511 or 413.0512 is not subject to discovery or court subpoena in any action other than:
(1) an action to enforce this subtitle brought by the division, an appropriate licensing or regulatory agency, or an appropriate enforcement authority; or
(2) a criminal proceeding.