All documents relating to the organization of the Department or to the assignment, transfer, or delegation of authority, functions, or duties by the Attorney General or to general departmental policy shall be designated as orders and shall be issued only by the Attorney General in a separate, numbered series. Classified orders shall be identified as such, included within the numbered series, and limited to the distribution provided for in the order or determined by the Assistant Attorney General for Administration. All documents amending, modifying, or revoking such orders, in whole or in part, shall likewise be designated as orders within such numbered series, and no other designation of such documents shall be used.