X12 EDI 856 Advanced Shipping Notice (ASN) Parser
Parses EDI 856 Ship Notice/Manifest hierarchical levels (Shipment, Order, Pack, Item).
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: X12 EDI 856 Standard Specification
Formula: HL segment hierarchy traversal (S -> O -> P -> I)
Checks: Valid HL segment parent-child relationship loops
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.