Sure. If it's a valid claim what choice do you have? You have no right to demand that the contractor agree to let you add the clauses that apply above the SAP.

By Julie A. Talley on Friday, July 14, 2000 - 02:44 pm:

Is it allowable to pay a claim under a purchase order by modifiying the purchase order if the claimed amount causes the total purchase order amount to exceed the SAT?