1.
By way of derogation from Articles 4 and 5, controlled substances other than hydrochlorofluorocarbons may be produced, placed on the market and used for essential laboratory and analytical uses, subject to registration and licensing in accordance with this Article.
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Source: EUR-Lex (Cellar) · retrieved 2026-11-04 · Text as adopted (Official Journal); later amendments are not incorporated in this text.