PGI 213.307 Forms.
(a) Commercial items. If SF 1449 is not used, use DD Form 1155 in accordance with paragraph (b)(i) of this section.
(b) Other than commercial items.
(i) Use DD Form 1155, Order for Supplies or Services, for purchases made using simplified acquisition procedures.
(A) The DD Form 1155 serves as a—
(1) Purchase order or blanket purchase agreement;
(2) Delivery order or task order;
(3) Receiving and inspection report;
(4) Property voucher;
(5) Document for acceptance by the supplier; and
(6) Public voucher, when used as—
(i) A delivery order;
(ii) The basis for payment of an invoice against blanket purchase agreements or basic ordering agreements when a firm-fixed-price has been established; or
(iii) A purchase order for acquisitions using simplified acquisition procedures.
(B) The DD Form 1155 is also authorized for use for—
(1) Orders placed in accordance with FAR Subparts 8.4, 8.6, 8.7, and 16.5; and
(2) Classified acquisitions when the purchase is made within the United States or its outlying areas. Attach the DD Form 254, Contract Security Classification Specification, to the purchase order.
(ii) Do not use Optional Form 347, Order for Supplies or Services, or Optional Form 348, Order for Supplies or Services Schedule—Continuation.
(iii) Use Standard Form 30, Amendment of Solicitation/Modification of Contract, to—
(A) Modify a purchase order; or
(B) Cancel a unilateral purchase order.