(a) The limitations in 217.7404-2, 217.7404-3, and 217.7404-4 do not apply to UCAs for the purchase of initial spares.
(b) The head of an agency may waive the limitations in 217.7404-2, 217.7404-3, and 217.7404-4 for UCAs if the head of the agency determines that the waiver is necessary to support--
(1) A contingency operation; or
(2) A humanitarian or peacekeeping operation. [60 FR 29498, June 5, 1995, as amended at 63 FR 67804, Dec. 9, 1998; 71 FR 27643, May 12, 2006]