DAO 05/25 letter: Green Book Review 2025: Findings
'Dear Accounting Officer' letters provide advice on accountability, regularity, propriety, value for money and annual accounting exercises.
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In January 2025, the Chancellor of the Exchequer announced a review of the Green Book and how it is used to support fair, objective and transparent appraisal of projects outside of London and the south-east of England. The conclusions of the Green Book Review were published alongside the Spending Review on 11 June 2025. Â It sets out that the Green Book, and the way that it is used, need to change.