GTIN, GLN and SSCC without the jargon
What each code identifies, who assigns it, and why confusing a GTIN with an internal SKU breaks your traceability from day one.
GS1 and EDI traceability, explained for pharma, food and consumer goods companies in Venezuela. What to encode, what to document and what evidence to keep — before anyone asks for it.

When the inspector asks about a batch, the right answer isn't "we'll look into it." It's a list of destinations, dates and documents, in minutes. This guide explains how that capability gets built on open standards — GS1 and EDI — without depending on any single vendor.
Eight chapters, each answering one concrete question someone will ask you sooner or later.
What each code identifies, who assigns it, and why confusing a GTIN with an internal SKU breaks your traceability from day one.
GS1-128 and the Application Identifiers that matter: (01) GTIN, (10) batch, (17) expiry, (37) quantity. With readable string examples.
How an SSCC is built, why it must be unique and never repeated, and how to avoid reusing serial ranges — the costliest and most common mistake.
The shipment → pallet → case → product hierarchy, and why a badly nested ASN creates receiving discrepancies nobody can explain.
A mapping of the most-used documents (850/ORDERS, 856/DESADV, 810/INVOIC) and what to expect from each distributor.
What a signed MDN is, why it's your proof of delivery for the document, and how long you should keep it.
How to design the record so it answers the two questions of any recall: where did this batch come from, and where did it end up.
A printable list: what must exist, where each piece of evidence lives, and who owns each record.
If you're looking for a marketing summary on "the importance of traceability," this guide will bore you. It's technical, operational material: codes, document structures and checklists.
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