(b) No operator or carrier may make an adjustment of an overpayment without prior application to, and approval by, the Office which shall exercise full supervisory authority over the adjustment of all overpayments.
(c) In any case involving either overpayments or underpayments, the Office may take any necessary action, and deputy commissioners may issue appropriate orders to protect the rights of the parties.
(d) Disputes arising out of orders so issued shall be resolved by the procedures set out in subpart E of this part.