JM 2-2.530
If the United States Attorney is served with papers (other than a notice of appeal) in proceedings before the Supreme Court, the United States Attorney should inform counsel that service must be made upon the Solicitor General in Washington, D.C., as required by Rule 29.4 of the Rules of the Supreme Court. The United States Attorney should inform the Solicitor General promptly of all attempts to make service upon him/her.
[updated July 2018]