[holding answer 8 December 2008]: Income tax liabilities by income band for 2008-09 are provided in HM Revenue and Customs Statistics Table 2.5:
http://www.hmrc.gov.uk/stats/income_tax/table2-5.pdf.
The effect of tax measures announced in the PBR by income band is provided in the Government's response to the Treasury Select Committee's Thirteenth Report for 2007-08, ‘Budget measures and Low Income Households’, available at:
www.publications.parliament.uk/pa/cm/cmtreasy.htm.