(a) The limitations in 243.204-70-2, 243.204-70-3, and 243.204-70-4 do not apply to unpriced change orders for the purchase of initial spares.
(b) The limitations in 243.204-70-4(a) do not apply to unpriced change orders for ship construction and ship repair.
(c) The head of the agency may waive the limitations in 243.204-70-2, 243.204-70-3 , and 243.204-70-4 for unpriced change orders if the head of the agency determines that the waiver is necessary to support-
