Section 631.205-6 - Compensation for personal services(g)(6) The head of the contracting activity is the agency head's designee for the purpose of FAR 31.205-6(g)(6).64 FR 43627, Aug. 11, 1999, as amended at 72 FR 45696 , Aug. 15, 2007; 80 FR 6922 , Feb. 9, 2015