evidence: As always, we have been greatly supported in our work by the staff of the OBR. We are very grateful for their commitment, professionalism, and expertise. We have also drawn on the analysis of numerous officials across government in preparing these forecasts, including in HM Treasury, HM Revenue and Customs, the Department for Work and Pensions, the Department for Levelling Up, Housing and Communities, the Department for Education, the Department for Energy Security and Net Zero, the Home Office, the Department for Transport, the Department of Health and Social Care, Department for Digital, Culture, Media and Sport, North Sea Transition Authority, the Office for National Statistics, the UK Debt Management Office, National Savings and Investments, the British Business Bank, the BBC, Homes England, UK Government Investments, the Government Actuary’s Department, the Insolvency Service, the Scottish Government, the Scottish Fiscal Commission, the Welsh Government, the Department for Communities and the Department of Finance in Northern Ireland, Transport for London, and various public service pension schemes. We also held helpful discussions with various departmental finance directors. We are grateful to all of them for their engagement and insights.