(b) Micro-purchase threshold. For delegation of HCA responsibility regarding micro-purchases of supplies or services to be used in support of a contingency operation, see MP5301.601 (a)(i) Head of the Contracting Activity (HCA) Matrix.

(c) Simplified acquisition threshold. For delegation of HCA responsibility regarding an increase in simplified acquisition threshold, see MP5301.601 (a)(i) Head of the Contracting Activity (HCA) Matrix.

(1) Selection, appointment, and termination of appointment. Requirements for the selection, appointment and termination of CCOs are described in 5301.603-2-90 Selection.

(S-90) For Air Force Contingency readiness policies, responsibilities, and implementing procedures, see AFI 64-105 , Contingency Contracting Support .

(S-91) Assign and maintain DoD Activity Address Codes (DoDAAC) for deployed forces within the area of responsibility, as required. See AFFARS 5304.7003-90.

(2) See MP5301.601 (a)(i) Head of the Contracting Activity (HCA) Matrix.