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The Institute separates public reading and citation from substantial commercial re-use of the curated evidence database.

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Narrative Heavy Metal Index pages may be quoted, translated, and reused with attribution to the page and persistent identifier where one is assigned.

Database rights reserved

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Reading and citing individual records is permitted. Systematic extraction, substantial republication, and commercial products built on the curated database require a licence from Paleo Certified, Inc.

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Papers, agency reports, and third-party datasets remain governed by their own rights holders. The Institute does not relicense those works.

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Certification marks, standards editions, and program materials are governed separately by Heavy Metal Tested & Certified and are not included in the Index licence.

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