Council Decision (2000/365/EC) of 29 May 2000 concerning the request of the United Kingdom of Great Britain and Northern Ireland to take part in some of the provisions of the Schengen acquis (OJ L 131, 1 June 2000, p. 43)
Council Decision (2004/926/EC) 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 (OJ L 395, 31 December 2004, p. 70)
Johnson, Ailish (2005). "Vol. 8 Memo Series (Page 6)"(PDF). Social Policy: State of the European Union. Archived from the original(PDF) on 27 February 2008. Retrieved 13 October 2007.
Johnson, Ailish (2005). "Vol. 8 Memo Series (Page 6)"(PDF). Social Policy: State of the European Union. Archived from the original(PDF) on 27 February 2008. Retrieved 13 October 2007.