Business immigration March 25 2013 Matthew Davies UK Border Agency – recent changes and new rules as of 6 April 2013 The government will be making numerous changes to Immigration Rules, most of which will come into effect on 6 April 2013. A summary of the main changes have been outlined here. Indefinite leave to remain (ILR) The Immigration Rules have been amended to provide more clarity concerning permitted absences from the UK for ILR applications in the main employment routes, including Tier 1 (General), Tier 2 and UK Ancestry.