AFARS - PART 5143
(Revised 01 May 2019)
(c) The Assistant Secretary of the Army (Acquisition, Logistics and Technology) may waive the limitations under DFARS 243.204-70-2, 243.204-70-3, and 243.204-70-4. See Appendix GG for further delegation.
The head of the contracting activity shall ensure the profit allowed reflects the conventions under DFARS 243.204-70-6. See Appendix GG for further delegation.
(c) The contracting officer may change the period in which the contractor may assert claims under the clause at FAR 52.243-3, Changes?Time-and-Materials or Labor-Hours, to a period less than 30 days.