Hi user1234567890,
I've never heard of this before - but my thought are that they will give you a 4 year award as stated, but may send you the forms within 2 years to complete again, and then re-assess you within that 2 year time period that's left.
That's all I can think of, but I've approved your post, and maybe's someone who's experienced this can advise what actually happens.
Chris.
Nothing on this board constitutes legal advice - always consult a professional about specific problems 
