We therefore asked the Accounting Officer (AO) why there had been such a delay in sharing the assessment with Parliament. The Accounting Officer told us that they kept their assessments under constant review, but that the publication of AO assessment summaries has to be agreed by relevant Ministers. They explained that, on the Sovereign Borders Programme, the Home Secretary had decided to make it public in March 2024. We reminded the Accounting Officer that he is accountable to the Public Accounts Committee and Parliament, noting that other departments have shared assessments in a much more timely manner, without Ministerial approval being a barrier.50 HM Treasury guidance states that departments need to publish summary assessments promptly when a project is included in the Government Major Projects Portfolio. In some cases, the timing might depend on other sensitivities, such as commercial confidentiality, and the accounting officer may decide public interest is best served by delaying publication. In such circumstances, the Accounting Officer should nonetheless still share a copy of the summary assessment on a confidential basis with the chairs of the Public Accounts Committee and relevant departmental committees, along with an explanation of the need 47 Qq 123, 129–130, 132; C&AG’s Report, UK-Rwanda partnership, para 10 48 Public Accounts Committee, Oral Evidence; Reducing the harm from illegal drugs, 4 December 2023, Qq 1–50 49 Qq 1, 7, 14, 22, 27; Letter from Matthew Rycroft, Permanent Secretary, Home Office, to Dame Meg Hillier DBE MP, Chair, Public Accounts Committee, Home Office Sovereign Borders Programme: Summary Accounting Officer Assessment, dated 27 March 2024 50 Qq 1–4, 10–13 18 Asylum Accommodation and UK-Rwanda partnership for confidentiality. In written evidence provided after the evidence session, HM Treasury noted that there may be circumstances where the accounting officer determines they are unable to share information with the Committee as they