(2) what percentage of complaints received by HM Revenue and Customs concerned the Tax Credit Office in each year since 1997.
Information about the number of complaints handled by the different HMRC business areas, including tax credits, is broken down in the annexes of the departmental reports available at:
www.hmrc.gov.uk/about/reports.htm
Complaints to the Tax Credit Office are about 40 per cent. lower in the current year then for the same period last year.