To ask the Chancellor of the Exchequer pursuant to the written ministerial statement of 14 September 2009 on Co-operation on debt recovery, what estimate he has made of the number of individuals who owe money to HM Revenue and Customs (HMRC) and who are in receipt of benefit payments from the Department for Work and Pensions by benefit type; what estimate he has made of the monetary value of the total debt which is owed to HMRC by these individuals; and how many full-time equivalent officials from his Department will be involved in operating this trial. (292910)