attorney previously admitted to the Bar of this Court who no longer is
enrolled as an active member of the Bar, Supreme Court, or other
governing authority of any State, territory or possession, or the
District of Columbia, shall not practice before this Court. Upon
receipt of reliable information that such attorney is practicing before
the Bar of this Court, this Court shall issue an Order to Show Cause
why the attorney should not be disbarred from this Court, and shall
proceed with the Order to Show Cause in the manner set forth in L.R.
83-3.2.1.