(a) The department may institute a disciplinary proceeding against a former certificate holder, or officer, director, or shareholder of a former certificate holder, for conduct committed before the effective date of a voluntary surrender or automatic forfeiture of the certificate of authority.
(b) In a proceeding under this section, the fact that the certificate holder, or officer, director, or shareholder of a certificate holder, has surrendered or forfeited the certificate does not affect the former certificate holder’s, or officer, director, or shareholder of a former certificate holder’s, culpability for the conduct that is the subject of the proceeding.