The contracting officer shall insert the clause at AGAR 452.204-70, Modification for Contract Closeout, in all solicitations and contracts that use other than cost reimbursement contract types.
An economic price adjustment clause based on cost indexes of labor or material may be used under the conditions listed in FAR 16.203-4(d) after HCA approval and consultation with the Office of the General Counsel (OGC).
The HCA is authorized to extend the period for defining a letter contract required by FAR 16.603-2(c) in extreme cases where it is determined in writing that such action is in the best interest of the Government.