Subpart 5101.6 - Career Development, Contracting Authority and Responsibilities 5101.601 General.5101.602 Contracting Officers.5101.603 Selection, appointment, and termination of appointment for contracting officers.5101.690 Procurement management review assistance.5101.691 Management controls.5101.692 Head of the contracting activity.5101.693 Senior contracting official.Parent topic: Part 5101 - Federal Acquisition Regulation System