If a party questions the constitutionality of an Act of Congress in a proceeding in which the United States or its agency, officer, or employee is not a party in an official capacity, the questioning party must give written notice to the circuit clerk immediately upon the filing of the record or as soon as the question is raised in the court of appeals. The clerk must then certify that fact to the Attorney General.

If a party questions the constitutionality of a statute of a State in a proceeding in which that State or its agency, officer, or employee is not a party in an official capacity, the questioning party must give written notice to the circuit clerk immediately upon the filing of the record or as soon as the question is raised in the court of appeals. The clerk must then certify that fact to the attorney general of the State.