Written Question·Treasury·UIN 119613
Budgets: Disclosure of Information
Tabled: 10 March 2026
Answered: 18 March 2026
Question
Charlie Dewhirst
Conservative — Bridlington and The Wolds
To ask the Chancellor of the Exchequer, with reference to the Budget Information Security Review, February 2026, paragraph 5.20, whether the Macpherson Principles will apply to the briefing of non-market sensitive Budget information.
Answer
James MurrayAs explained in paragraphs 5.1 to 5.5 of the Budget Information Security Review, the Macpherson Principles apply to: the economic and fiscal projections, the fiscal judgement and individual tax rates, reliefs and allowances.