National Audit Act 1983

National Audit Act 1983
Short title	National Audit Act 1983
Long title	An Act to establish the National Audit Office and the Comptroller and Auditor General, and for connected purposes
Citation	1983 c. 44
Territorial extent	England and Wales; Northern Ireland; Scotland (limited)
Royal assent	26 July 1983
Commencement	1 April 1984
Status	amended

National Audit Act 1983 The National Audit Act 1983 is a United Kingdom Act of Parliament that reformed public audit by establishing the National Audit Office and defining the role of the Comptroller and Auditor General. The Act followed debates in the House of Commons and the House of Lords, and was enacted during the administration of Prime Minister Margaret Thatcher with influence from figures such as Sir John Bourn and institutions including the Treasury and the Public Accounts Committee. It remains a foundational statute for accountability in financial scrutiny linked to bodies like the National Audit Office and the Comptroller and Auditor General.

Background and Enactment

The Act emerged after long-standing scrutiny of public expenditure traced to inquiries involving the Exchequer and reports by the Public Accounts Committee chaired by MPs such as Edward Leigh and predecessors associated with the Parliamentary Commissioner for Administration. Parliamentary debates reflected comparisons with audit reform in jurisdictions like the United States (via the Government Accountability Office) and the European Court of Auditors as discussed in exchanges in the House of Commons Library and policy papers from the Cabinet Office. Drafting drew on prior statutes including the Exchequer and Audit Departments Act 1866 and responses to audits of major programmes such as those administered by the Ministry of Defence and the Department of Health and Social Security. Royal assent was given on 26 July 1983, and the Act commenced in April 1984, reshaping institutions such as the Audit Commission and informing later reviews by figures like Sir John Bourn and Amyas Morse.

Purpose and Scope

The primary purpose of the Act was to provide a statutory basis for independent audit of public funds by establishing an office with duties to examine economy, efficiency and effectiveness in spending across departments including the Home Office, the Foreign and Commonwealth Office, the Department for Transport, and agencies such as the British Broadcasting Corporation where public funding is implicated. The scope covers accounts of central government, bodies funded by Parliamentary grant-in-aid, and public corporations such as the Royal Mail prior to privatisation, subject to specified exclusions that reference Crown immunities and matters relating to defence programmes overseen by the Ministry of Defence. The Act delineates relationships among parliamentarians on committees like the Public Accounts Committee and accounting officers including permanent secretaries in departments like the Department for Education.

Key Provisions

Key provisions establish the status, appointment, and functions of the Comptroller and Auditor General, create the National Audit Office as a statutory body corporate, and set out powers to access documents, require information from accounting officers, and prepare reports for presentation to the House of Commons and the House of Lords. The Act confers rights to audit accounts of public bodies such as the National Health Service trusts, Local Government entities, and executive agencies created under the Next Steps Initiative, while preserving statutory exceptions for intelligence services like the Secret Intelligence Service and the Government Communications Headquarters. Procedural rules on evidence-gathering, reporting timescales, and publication link to parliamentary mechanisms including select committees such as the Committee of Public Accounts.

National Audit Office and Comptroller Functions

Under the Act, the National Audit Office operates under the leadership of the Comptroller and Auditor General, an independent officer with statutory duties to audit and report on the economy, efficiency and effectiveness of public expenditure. Appointment procedures involve the Crown acting on advice from the Prime Minister and the Chancellor of the Exchequer, while institutional accountability is exercised through parliamentary processes involving the Public Accounts Committee and auditing standards influenced by international bodies like the International Organisation of Supreme Audit Institutions. The Comptroller retains specific comptrolling functions linked to the validation of public accounts and the certification of supply on behalf of the Exchequer, interacting with accounting officers in departments such as the Treasury Solicitor's office and the offices of permanent secretaries.

Amendments and Related Legislation

Subsequent amendments and related instruments have adjusted the Act's operation, including modifications via the Budget Responsibility and National Audit Act 2011, statutory instruments, and policy changes following reports from the Public Administration Select Committee. Legislation affecting audit responsibilities and public bodies—such as the Local Government Act 1992, the Health and Social Care Act 2012, and reforms tied to privatisation programmes overseen by the Department for Business, Energy and Industrial Strategy—have interacted with the Act's remit. European Union legislation and decisions by the European Court of Justice historically informed audit interfaces until the European Union (Withdrawal) Act 2018 altered supranational relationships.

Implementation and Impact

Implementation centralized professional audit capacity in the National Audit Office, leading to high-profile value-for-money reports into programmes including defence procurement such as the Trident programme, health initiatives scrutinised under the National Health Service reforms, and large infrastructure projects like the Crossrail and HS2 schemes. The Act strengthened parliamentary oversight through routine NAO reports cited in hearings of the Public Accounts Committee, influenced accounting guidance by bodies like the Financial Reporting Council, and contributed to public debates about fiscal rectitude during administrations from Margaret Thatcher to Theresa May. Internationally, the NAO’s work became a model referenced by supreme audit institutions including the Comptroller and Auditor General of India and the United States Government Accountability Office.

Criticisms and Controversies

Critics have argued the Act’s protections for certain exemptions and the limited remit over quasi-commercial bodies constrain full transparency, citing contested audits of entities such as the BBC and private finance initiatives involving firms like Serco and Capita. Debates have arisen over the independence of the Comptroller and Auditor General following appointment procedures influenced by the Prime Minister and the Chancellor of the Exchequer, and over the NAO’s ability to influence policy in areas affecting national security overseen by the Ministry of Defence and intelligence agencies. Academic critiques from scholars at institutions like the London School of Economics and cases brought before the Court of Appeal and the Supreme Court of the United Kingdom have tested boundaries of audit powers and parliamentary privilege.

Category:United Kingdom Acts of Parliament 1983 Category:Audit legislation Category:National Audit Office (United Kingdom)