Changes made by Commission Implementing Decision of 7 May 2012 concerning the determination of start-up and shut-down periods for the purposes of Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions (notified under document C(2012) 2948) (2012/249/EU)
EU Decision 2012/249
No changes made by Commission Implementing Decision of 7 May 2012 concerning the determination of start-up and shut-down periods for the purposes of Directive 2010/75/EU of the European Parliament and of the Council on industrial emissions (notified under document C(2012) 2948) (2012/249/EU) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.