Chapter 04 · People & supply chainsSupply Chain & Due Diligence
Identity preserved
Definition
Identity preservation is the strictest chain-of-custody model: materials carrying specified characteristics — organic, fair-trade, certified origin — are kept physically separate and traceable to a single identifiable source, such as one farm or one lot, through every stage of the supply chain. ISO 22095 sets out the hierarchy of models: identity preserved at the top, then segregated (certified material from multiple sources kept apart from non-certified), controlled blending, mass balance (mixing permitted with accounting controls) and book-and-claim (attributes traded separately from the physical material). Identity preservation is used where source-level proof is the product's value — single-origin foods, specialty grains, conflict-free minerals — and is the most costly model to operate.
References
This reference provides supporting context for how “Identity preserved” is defined and used.
ISO 22095 provides the cross-sector framework, terminology and models used to design and manage chain-of-custody systems.
Overview
“Identity preserved tells you which source supplied the material. It does not tell you whether the source deserves trust. ”
Identity preserved is the most source-specific chain-of-custody model. The material or product originates from a single identifiable source and is physically separated so that its identity and specified characteristics remain connected throughout production, storage, transport and trade. The result can be traced back to that source rather than only to a pool of eligible suppliers.
ISO 22095:2020 defines the model around single-source input, physical separation and maintenance of characteristics. The source may be one farm, mine, factory, forest unit, recycling facility or another defined origin. The model's meaning depends on how precisely source is defined and whether each stage can preserve that definition.
Specialty coffee provides an intuitive example. A micro-lot may be harvested from a named farm, processed separately, stored in marked bags and roasted as a distinct lot. Buyers can connect sensory quality and production information to one origin. If the lot is mixed with coffee from another farm, the single-source identity has been lost even if both farms meet the same sustainability standard.
Physical separation requires operational controls. Containers, silos, transport, processing lines, cleaning, labels, batch codes and records must prevent substitution or unintended mixing. Where transformation changes quantity, conversion records should connect input lot to output lot. A paper trail without physical controls is traceability of a claim, not identity preservation.
The model can support detailed origin narratives and targeted due diligence. It may allow a buyer to investigate a grievance, monitor deforestation or maintain quality relationships with a specific producer. Yet source precision does not establish source performance. Material can be perfectly identity preserved from a farm with poor labour or environmental conditions.
The reverse is also true: an excellent producer may lose access to an identity-preserved channel because the logistics are too costly. Separate storage, small batches, testing and transport create expense and minimum-volume challenges. If the market requires identity preservation without paying its cost, producer organisations or small farms may absorb the burden.
Single source also creates concentration risk. Crop failure, quality problems or delayed shipment cannot be balanced through a wider eligible pool. Buyers may respond by holding more inventory or diversifying across separately preserved sources. The model increases specificity while reducing some forms of operational flexibility.
Claims should state the preserved characteristic. Single origin can refer to geography, legal entity, production unit or batch. 'From one country' and 'from one farm' are not equivalent. A product can be identity preserved for origin while another characteristic, such as certified status, is not controlled. The claim needs to name what the chain preserves.
Data integrity remains important. Duplicate source identifiers, changed farm boundaries, relabelled lots or reused transaction documents can create a false appearance of precision. Digital systems do not remove the need for reconciliation, access control, physical observation and investigation of implausible yields or volumes.
Identity preserved should not be described as inherently more sustainable than other models. It offers a stronger physical and source connection, which can support certain assurance and value propositions. Whether it is the appropriate model depends on the claim, risk, cost and need for item-level origin.
The discipline is to separate identity from merit. The model answers 'which source?' and 'was this material kept connected to it?' It does not answer whether the source met a meaningful standard, whether the claim is material to the buyer or whether the value created was shared fairly.
Practical application
Define the single source and specified characteristic precisely. Map every point where material can mix or be substituted, including transport, storage, processing, repacking and subcontracting. Use batch reconciliation, yield checks, tamper controls and periodic physical verification.
Confirm that marketing language matches the preserved level of origin. Cost separate handling and agree who pays. Investigate volume that exceeds plausible production and maintain a process for downgrading claims when separation or identity is lost.
Why it matters
Identity preservation provides the strongest connection between a physical product and a specific origin. That connection supports quality, risk investigation and transparent sourcing where source-level information is important. Its value is precision, not an automatic judgement about sustainability.
Common misconception
Identity preserved is often assumed to mean certified, sustainable or superior. It describes a custody model. A harmful product can be identity preserved, and a responsible product can move through another model. The underlying characteristic and standard need separate evidence.
Connections
Traceability follows the product's history; identity preserved adds single-source physical separation. Segregation permits eligible material from several sources to mix. Due diligence can use source specificity to target risk and remedy, while certification defines any requirements applied at origin.
A question worth asking
If the single source were revealed without its sustainability label, what independent evidence would show that the source meets the qualities your claim invites customers to infer?
Selected references
ISO 22095:2020. Chain of Custody - General Terminology and Models. Accountability Framework initiative. Identity Preserved definition. ISEAL Alliance. 2016. Effective Chain-of-custody and Traceability Models. Golan, E. et al. 2004. Traceability in the U. S. Food Supply: Economic Theory and Industry Studies. U. S. Department of Agriculture. Bosona, T. and Gebresenbet, G. 2013.
Food Traceability as an Integral Part of Logistics Management in Food and Agricultural Supply Chain. Food Control 33(1): 32-48.
How it is used
Employers, buyers, suppliers, governments, workers and affected communities use “Identity preserved” in workplace policy, sourcing, human-rights due diligence, community engagement and supply-chain management.
In each case, the user should state the affected population, supply-chain boundary, local context, timeframe and evidence from rights-holders; otherwise, the same term may be applied to materially different situations. In this context, it refers to kept physically separate and retains its specified characteristics through the supply chain.