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# Guide on Suspect/Illegitimate Product Definitions
- URL: https://www.fdaweb.com/guide-on-suspect-illegitimate-product-definitions/
- Published: 2021-06-04T12:00:00.000Z
- Updated: 2026-09-14T17:01:56.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5149466

*Federal Register* notice: FDA is making available a revised draft guidance entitled *Definitions of Suspect Product and Illegitimate Product for Verification Obligations Under the Drug Supply Chain Security Act*. The document discusses key terms used to define suspect product, such as “illegitimate,” “counterfeit,” “diverted,” “stolen,” “fraudulent transaction,” and “unfit for distribution.” To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2021-06-04/pdf/2021-11735.pdf?ref=fdaweb.com).