My Lords, the tax gap is estimated to be 5.3% of total theoretical tax liabilities. At the Budget last year, the Chancellor announced the most ambitious package ever to close the tax gap. The Government then built on this at the Spring Statement, setting out plans to make it easier for taxpayers to pay the right amount of tax for a modern and digital tax system. These measures will raise an additional £7.5 billion of tax revenue each year by the end of the Parliament.