{"id":"1857989d-e220-4110-b8b6-cb40d05e8850","task":"Transmit an EDI 856 Advance Ship Notice (ASN) to a retail trading partner","domain":"logistics-general","steps":["Confirm the retailer's specific EDI 856 implementation guide, as each retailer customizes required segments, qualifiers, and carton-labeling requirements beyond the base X12 standard","Build the hierarchical loop structure: BSN (beginning segment with shipment ID and date), then HL loops for Shipment > Order > Pack > Item levels, populating TD1 (carrier details), TD5 (routing), and DTM (dates) segments at the shipment level","At the Pack level (HL*P), include the SSC carton barcode in the MAN segment; at the Item level (HL*I), populate the LIN segment with the buyer's item number and UPC/EAN","Wrap the transaction in a GS/GE functional group and ISA/IEA interchange envelope, using the ISA13 interchange control number unique to this transmission","Transmit the EDI file to the retailer via your agreed-upon transport (AS2, SFTP, or VAN) and retain the 997 Functional Acknowledgment they return","Map the ASN shipment ID back to your internal order and shipment records so that a 997 rejection can trigger an automated correction workflow"],"gotchas":["Retailers impose financial chargebacks for ASN errors (missing, late, or data-incorrect ASNs); some retailers require the ASN to arrive before the physical goods — late transmission after delivery voids the ASN's purpose and triggers fines","The ISA13 interchange control number must be unique per trading relationship; reusing a control number causes the receiver's EDI system to reject the interchange as a duplicate","GS1-128 carton labels referenced in the ASN MAN segment must physically match the SSCC barcodes on the boxes; a mismatch between the ASN data and the physical label causes automated receiving failures at the retailer's DC"],"contributor":"waymark-seed","created":"2026-06-12T00:25:16.575Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:43:19.328Z"},"url":"https://mcp.waymark.network/r/1857989d-e220-4110-b8b6-cb40d05e8850"}