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EUR-Lex, European Commission material, EUCARIS documentation, national approval authorities, and current technical specifications take priority over secondary commentary.
Our guides are written for manufacturers, homologation teams, and compliance professionals who need clear explanations without losing the limits and detail of the underlying rules. This page explains who prepares the content, which sources we prefer, and how we handle corrections.

EUR-Lex, European Commission material, EUCARIS documentation, national approval authorities, and current technical specifications take priority over secondary commentary.
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Material errors are corrected in the article. A review date changes only when the page receives a meaningful factual or editorial update.
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