To ask the Chancellor of the Exchequer, what his Department's most recent estimate is of the tax gap; and how the Treasury model is used to estimate the amounts. (133560)

There are no reliable estimates of the total tax gap. However, estimates of revenue losses in indirect taxes are available and are reported in 'Measuring Indirect Tax Losses - 2006', which is published alongside the PBR and can be found in the House of Commons Library.