3.Duty to notify clients and forums involved in proceedings. An attorney barred from the active practice of law, whether by disbarment, suspension, including suspension under SCR93 or SCR212, transfer to disability inactive status, or resignation, shall immediately notify, by registered or certified mail, return receipt requested, (1) each of the attorney’s clients who is involved in pending litigation, administrative proceedings, arbitration, mediation or other similar proceedings, (2) the attorney(s) for each adverse party in such matters, and (3) the court, agency, arbitrator, mediator, or other presider over such proceeding of the attorney’s disbarment, suspension, transfer to disability inactive status, or resignation and consequent inability to act as an attorney. The notice to the client shall state the desirability of prompt substitution of another attorney of the client’s own choice and shall list any upcoming appearances and deadlines. The notice given to the attorney for an adverse party shall provide the last known address of the client. In the event the client does not obtain substitute counsel within 30 days of the attorney’s notice to the client, it shall be the responsibility of the attorney to move in the court, agency, or other forum in which the proceeding is pending for leave to withdraw, if leave is required.