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DECISION GUIDE / Assets & tasks

When can a product revision reuse evidence from an earlier version?

An unchanged exterior does not prove that an updated product retains the performance demonstrated by an earlier test. Before carrying evidence into new advertising, compare the tested version with the current product, identify every change relevant to the claim, and request an applicability decision from the responsible testing owner. Hold unsupported claims until the evidence transfer is approved.

01 / DECISION GUIDE

Separate visual continuity from evidence continuity

A revised product may look identical to its predecessor while using a different component, material, or supplier. The old product photograph may still resemble the current item, but an earlier performance report does not automatically apply.

Fictional exercise: a supplier change introduces a different seal into a container. The exterior remains unchanged. The earlier version has a fictional leak-resistance test record, but no applicability assessment exists for the new seal.

The decision is not which advertising assets need replacing. It is whether the specific performance evidence can support the revised product at all.

02 / DECISION GUIDE

Map changes against the tested claim

Start with the exact claim, the version originally tested, and the current product's change record. Ask whether materials, components, manufacturing sources, or operating conditions differ in ways that could affect the measured property.

A change with no obvious visual effect may still require specialist review. Conversely, a visible change does not automatically invalidate every unrelated test. The testing owner must determine applicability from actual records.

ChangePossible evidence concernRequired recordDecision
Seal supplier changedLeak-resistance relevanceOld and new seal specificationsHold claim
Exterior unchangedAppearance does not establish performanceCurrent version identificationNo automatic carryover
Operating condition changedOriginal test scope may differTest conditions and new use specificationReview
Unrelated cosmetic detailEffect on claim unknownDocumented change assessmentOwner decision
03 / DECISION GUIDE

Request a documented applicability decision

The editor should not decide that a new seal performs identically because it fits the same housing. Prepare a claim-specific evidence transfer request for the product and testing owners.

Possible outcomes are supported carryover, additional evaluation required, or evidence not applicable. Do not label any outcome approved until the responsible owner has provided a documented decision.

Itemlume can assist with free text planning after sign-in and raster advertising concepts at current quoted prices. It does not compare engineering revisions or certify test validity.

  1. Identify the exact claim and original test report.
  2. Record the tested SKU, revision, and operating conditions.
  3. Collect changes affecting the current product.
  4. Ask the qualified owner whether each change affects the claim.
  5. Record the applicability decision and supporting reference.
  6. Withhold the revised-product claim while material questions remain unresolved.
04 / DECISION GUIDE

Release only claims with current-version support

For the fictional container, the prior leak-resistance record cannot be inherited merely from visual similarity. A new assessment or other suitable supporting evidence must be reviewed before advertising the revised version as having the same performance.

US FTC substantiation policy provides the background principle that advertising claims need support before publication. This editorial matrix is not a certified testing method.

Keep a manual record connecting the claim, old report, revised configuration, applicability reviewer, decision, and advertising version. Reopen the assessment after another relevant component or operating-condition change.

05 / DECISION GUIDE

Record the decision in a manual worksheet

Manual Product Revision Evidence Carryover Register

The download contains fictional practice rows. Actual evidence and release decisions are blank for you to fill in. This manual record does not inspect products, update a store or certify compliance. Keep private material out of public copies.

Download the English CSV worksheet

Published by ItemlumePublished Updated Evidence and editorial policy
SOURCES & SCOPE

Sources and further reading

Sources for this page were checked on . Platform rules can change; verify the current source before publishing. Prompt examples and workflow recommendations are Itemlume editorial guidance, not independently measured results.

QUESTIONS, ANSWERED

Frequently asked questions

Can an unchanged exterior justify reusing the earlier performance report?

No. Visual similarity does not establish evidence applicability. Review relevant internal changes and the original test scope.

Does every product revision require repeating every test?

Not automatically. The responsible testing owner should decide which evidence remains applicable and whether additional evaluation is necessary.

BUILD FROM A PRODUCT YOU KNOW

Put this workflow into practice with your own product.

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