(a) By the Board. Where a case is remanded, such additional
proceedings shall be initiated and such other action shall be taken as
is directed by the Board.
(b) By a court. Where a case has been remanded by a court, the Board
may proceed in accordance with the court's mandate to issue a decision
or it may in turn remand the case to an administrative law judge or
deputy commissioner with instructions to take such action as is ordered
by the court and any additional necessary action.
