New unified border agency launches / Home Office, 3 April 2008
http://www.homeoffice.gov.uk/about-us/news/uk-border-agency-launch
"Plans for the new UK Border Agency (new window) were first announced in November 2007, and it began operations this week. It is a shadow agency of the Home Office - and because of that it will need to go through a transition period while it takes on some of the features of a full agency."
UK Border Agency Business Plan: April 2008- March 2011 / UK Border Agency, April 2008
PDF - http://www.ukba.homeoffice.gov.uk/sitecontent/documents/aboutus/businessplan/april2008march2011/ukborderagencybusinessplan.pdf?view=Binary