Claimants can ask HM Revenue and Customs to reconsider a decision to ask them to repay their overpaid tax credits by writing to the department or by completing a form (TC846) that is provided for that purpose. HM Revenue and Customs do not separately count the number of requests made by using the TC846. For the total number of disputes received I refer the hon. Member to the answer my predecessor gave to his earlier question on 25 June 2007, Official Report, columns 415-16W.