lexiara

(a)

up to 1 January 2040, if justified by site-specific dispersion characteristics, orographic boundary conditions, adverse climatic conditions, transboundary contributions, or where the necessary reductions can only be achieved by replacing a considerable fraction of the existing domestic heating systems that are the source of pollution causing exceedances; or

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Source: EUR-Lex (Cellar) · retrieved 2026-10-16 · Text as adopted (Official Journal); later amendments are not incorporated in this text.