File: Supply chain traceabilityEvidence checked 27 October 2026General information only
SupplyChainTraceability.site
The Custody File: identity, events, evidence
Home / Files / File 16

File 16: Material origin

Origin, transformation and mixing of materials, and what an origin claim needs behind it.

The file guide

File guideMaterial origin and chain of custodyMaterial origin is where a material came from, and chain of custody is how it moved from there to a finished product. An origin claim needs both, not just the f.File guide

Working guides on this file

Material originCountry of origin versus material originCountry of origin for customs is not the same as material origin for a sourcing claim. This guide separates the two..GuideMaterial originOrigin and transformation pointsTransformation can change origin for some purposes and not for others. This guide explains transformation points and their effect on origin..GuideMaterial originOrigin claims and their evidenceAn origin claim states that a material came from a place, a farm, a mine, or a recycled source. This guide explains the evidence such a claim needs..GuideMaterial originOrigin claims that overreachAn origin claim overreaches when it covers more product than the record supports. This guide explains how to spot overreach..GuideMaterial originOrigin documentation for importsImport origin documentation includes declarations, certificates, and supporting records. This guide covers that documentation..GuideMaterial originOrigin for cotton and fibresCotton origin runs through farm, gin, spinner, and fabric maker. This guide follows that chain..GuideMaterial originOrigin for minerals and metalsMineral origin involves mines, traders, smelters, and refiners. This guide follows that chain and its custody models..GuideMaterial originOrigin for mixed materialsMixed materials combine origins. This guide covers mass balance, segregation, and the limits of an origin claim for a mix..GuideMaterial originOrigin for timber and forest productsTimber origin involves harvest, processing, and trade chains. This guide covers timber origin in general terms..GuideMaterial originOrigin verification methodsOrigin can be verified by documents, audits, and, in some cases, testing. This guide compares verification methods and their limits..GuideMaterial originRecycled material originRecycled material has an origin in a waste stream and a reprocessing chain. This guide covers recycled origin and its custody..Guide