AFARS – PART 5143 Contract Modifications
Subpart 5143.2 – Change Orders
(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.
5143.204-70-6 Allowable profit.
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.
5143.205 Contract clauses.
(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.”