The OBR’s formal rights and responsibilities are outlined in four documents:

The Budget Responsibility and National Audit Act 2011

The Charter for Budget Responsibility

The Framework document

A Memorandum of Understanding

The Budget Responsibility and National Audit Act sets out the overarching duty of the OBR to examine and report on the sustainability of the public finances. It also gives complete discretion to the OBR in the performance of its duties, as long as those duties are performed objectively, transparently and independently and takes into account the sitting government’s policies and not alternative policies. The Charter outlines the OBR’s independence which includes complete discretion to decide:

• The methodology underpinning the OBR’s forecasts, assessment and analyses;

• the judgements made by the OBR in producing these outputs;

• the content of the OBR’s publications; and

• the OBR’s work programme of research and additional analysis.

Primary legislation

The OBR is a non-departmental public body, under the Budget Responsibility and National Audit Act 2011. The Act provides for the establishment of the office, and sets out its functions and broad governance structure.

The Charter for Budget Responsibility

The Charter for Budget Responsibility sets out the OBR’s remit, how it is to perform its duties, the required content of its key publications and the arrangements for determining the timing of its forecasts and other key publications. It also sets out the Government’s fiscal targets and has therefore been updated a number of times in recent years. The October 2015 update introduced the requirement for the OBR to produce a report on fiscal risks every two years and formalised the requirement to report on trends in welfare spending each year. All previous versions of the Charter are available at the bottom of this page.

Charter for Budget Responsibility

January 30, 2017 – 312 KB

Framework document

The OBR’s governance and management arrangements are set out in greater detail in a Framework document drawn up by the Treasury and agreed with the OBR. This describes the purposes of the OBR, how it is accountable to Parliament and the Chancellor, its governance and structure, the responsibilities of the accounting officer, the content of the annual report, the audit arrangements, and its managements and budgeting processes. The Framework document was reviewed and amended in May 2014 and again in March 2019. The previous versions are available at the bottom of this page.

Framework document

March 7, 2019 – 635 KB

Memorandum of Understanding

The Memorandum of Understanding sets out the agreed working relationship between the OBR, HM Revenue and Customs, the Department for Work and Pensions, and HM Treasury. It sets out the arrangements needed for effective working, covering each institution’s key responsibilities, coordination of the forecast process, and the process for information sharing.

Memorandum of Understanding

March 8, 2017 – 153 KB

The OBR uses a large-scale macroeconomic model for the production of the economic forecast. The model was originally designed and developed by the Treasury, but is now jointly maintained and developed by the Treasury and the OBR. The macroeconomic model memorandum of understanding establishes a framework for the joint governance, management and development of the macroeconomic model.

Devolved administrations

Read the legislation on the Scotland, Wales and Northern Ireland page.

Previous versions of key governance documents

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