Document guide

856 ASN guide

The 856 tells retailers what shipped before it arrives, often driving receiving and chargeback outcomes.

What the 856 is

An 856 is a shipment notice that connects PO, carton, item, carrier, and timing details.

  • Shipment ID
  • Pack hierarchy
  • Carrier/tracking
  • Item quantities

Example segments

ST*856*0004~
BSN*00*SHIP8842*20260504*1450~
HL*1**S~

Common errors

  • Missing carton hierarchy
  • Tracking or ship date mismatch
  • PO reference mismatch
  • Item quantity mismatch

How SignalEDI handles it

  • Validates shipment structure before partner send.
  • Links ASN to PO and invoice lifecycle.
  • Highlights likely chargeback risks.

Related paths

FAQ

Why do retailers care about the ASN?
Retailers use the ASN to plan receiving, verify cartons, and reduce dock exceptions.

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