“We are writing to you because we have had to look again at your income support. We have decided that you have been paid£22,735.19 too much income support from the8th October 1999 to the20th February 2003 . This was because you were working and did not tell us. …. You need to pay back this money. …. This does not affect any other action, including proceedings in a criminal court, which may be taken in this case. …. Please pay£22,735.19 as soon as you can.”