(20)There may be grounds to provide for specified exemptions to the emission limit values for some pollutants during a specified time limit and subject to specific conditions.
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New version applies from 11/12/2008 — introduced by Regulation (EC) No 1137/2008.
57 provisions change.
Later versions: 07/01/2014.
Recital 20 changes in this version: compare with the current text.