PRF (X12)

ASC X12 PRF segment, the link between the ASN and its originating order.

Definition

PRF appears in the Order loop (HL03=O) of the 856. PRF01 carries the purchase-order number echoed from the 850, letting the buyer match the announced shipment to its order. PRF04 may carry the PO date. It is the pivot for order↔shipment↔invoice reconciliation.

Origin

Defined in the ASC X12 Transaction Set Implementation Guides (PRF segment of the 856), maintained by the Accredited Standards Committee X12 under ANSI.

Example in context

PRF*PO-44871***20260615~ (order PO-44871, dated 15 June 2026)

Related terms

• HL (X12) — declares the Order loop that holds PRF.
• X12 856 HL — the ASN whose PRF ties each order back to the 850.