(a) Duty of Attorneys. Any attorney admitted to practice before this court who is disbarred on consent or resigns from the bar of this court or any other court of the United States or the District of Columbia, or from the bar of any state, territory, commonwealth, or possession of the United States while an investigation into allegations of misconduct is pending, must promptly inform the clerk of this court of such disbarment on consent or resignation.
(b) Duty of the Clerk. Upon receipt of information from any source that an attorney practicing in this court has been disbarred on consent or has resigned from the bar of any court, the clerk must report such information to the Disciplinary Panel.
* * *