art_11__para_2__text_1
National authorities may continue to grant extensions to EC type approvals for replacement pollution control devices intended for standards preceding this Regulation under the terms which originally applied. National authorities shall prohibit the sale or installation on a vehicle of such replacement pollution control devices unless they are of a type in respect of which a relevant type approval has been granted.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.