For contract actions supporting contingency operations or facilitating defense against or recovery from nuclear, biological, chemical, or radiological attack, the term ``head of the agency'' is replaced with ``head of the contracting activity,'' as defined in FAR 2.101, in the following locations:
(a) FAR 2.101:
(1) Definition of ``Micro-purchase threshold,'' paragraph (3).
(2) Definition of ``Simplified acquisition threshold.''
(b) FAR 12.102(f).
(c) FAR 13.201(g).
(d) FAR 13.500(e).
(e) FAR 18.2. [74 FR 2407, Jan. 15, 2009. Redesignated at 76 FR 44281, July 25, 2011]