The Director of Cost Assessment and Program Evaluation may—

(1) participate in the discussion of any discrepancies between an independent cost estimate and the cost estimate of a military department or Defense Agency for a major defense acquisition program or major subprogram of the Department of Defense;

(2) comment on deficiencies in the methodology or execution of any cost estimate or cost analysis developed by a military department or Defense Agency for a major defense acquisition program or major subprogram;

(3) concur in the choice of a cost estimate within the baseline description or any other cost estimate (including the discussion of risk for any such cost estimate) for use at any event specified in section 3221(b)(6) of this title; and

(4) participate in the consideration of any decision to request authorization of a multiyear procurement contract for a major defense acquisition program or major subprogram.