If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
This impact assessment relates to the introduction on 6 April 2011 of a migration permanent limit for Tiers 1 and 2 of the points-based system.