28 CFR §0.196

When an assignment for the handling of mail or a case has been made through established procedures and the appropriate authorities in any organizational unit of the Department disagree concerning jurisdiction of the unit for handling the matter or matters assigned, the disagreement, together with a statement of the view of the unit or units involved, shall be referred to the Assistant Attorney General for Administration for determination. If the disagreement cannot be resolved, the matter shall be referred to the Deputy Attorney General for final disposition.