We've only had a couple and I think we kept them. The companies are obliged to send them out once a year, but it doesn't mean anything.
You could always email your case worker and ask.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk