Changes made by Council Decision of 22 December 2004 on the putting into effect of parts of the Schengen acquis by the United Kingdom of Great Britain and Northern Ireland (2004/926/EC)
EU Decision 2004/926
No changes made by Council Decision of 22 December 2004 on the putting into effect of parts of the Schengen acquis by the United Kingdom of Great Britain and Northern Ireland (2004/926/EC) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.