SUBPART 1.6 — CAREER DEVELOPMENT, CONTRACTING AUTHORITY, AND RESPONSIBILITIES 201.602-2 Responsibilities.1.602-3 Ratification of unauthorized commitments.1.603 Selection, appointment, and termination of appointment for contracting officers.1.603-1 General.1.603-1-90 Ordering officers.1.604 Contracting Officer’s Representative (COR).Parent topic: PART 1 –– FEDERAL ACQUISITION REGULATIONS SYSTEM