PGI 213.302-3 Obtaining contractor acceptance and modifying purchase orders.

Generally, use unilateral modifications (see FAR 43.103) for-

(1)  No-cost amended shipping instructions if-

(i)  The amended shipping instructions modify a unilateral purchase order; and

(ii)  The contractor agrees orally or in writing; and

(2)  Any change made before work begins if-

(i)  The change is within the scope of the original order;

(ii)  The contractor agrees;

(iii)  The modification references the contractor's oral or written agreement; and

(iv)  Block 13D of Standard Form 30, Amendment of Solicitation/Modification of Contract, is annotated to reflect the authority for issuance of the modification.