Changes to Capital Allowances Act 2001 (Extension of first-year allowances) 2015
S.I. 2015/60
Made by Capital Allowances Act 2001 (Cars Emissions) 2016
1 change. All changes to Capital Allowances Act 2001 (Extension of first-year allowances) 2015
From legislation.gov.uk's record of changes, the official one: see it there.