– Changes of criteria documents

Comparisons between criteria generations and editions

TCO Development release a new generation of TCO Certified every three years. When needed, changes to current criteria documents are made in order to clarify certain details. Here you can find comparisons between generations, as well as between editions.

Editions

Generations

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All changes to criteria and verification methods are communicated in our Technical Update newsletter. An archive with previous news articles updates is available here.