Changes made by Recognition and Derecognition Ballots (Qualified Persons) 2010
S.I. 2010/437
Made to Recognition and Derecognition Ballots (Qualified Persons) 2000
2 changes. All changes made by Recognition and Derecognition Ballots (Qualified Persons) 2010
From legislation.gov.uk's record of changes, the official one: see it there.