Section 2414.407-4 - Mistakes after award(d) For determinations under FAR 14.407-4(b), the Head of the Contracting Activity will obtain the concurrence of legal counsel before notification to the Contractor. The Contracting Officer shall be notified promptly of action to be taken.61 FR 19470, May 1, 1996, as amended at 64 FR 46095, Aug. 23, 1999