Changes to Welfare Reform Act 2012 (Commencement No. 23) 2015
S.I. 2015/634
Made by Welfare Reform Act 2012 (Commencement No. 27) 2016
1 change. All changes to Welfare Reform Act 2012 (Commencement No. 23) 2015
From legislation.gov.uk's record of changes, the official one: see it there.