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A list of published OTS reports and papers since 2010, with links to official government responses.
The OTS has published a focus paper on tax complexity, together with updated versions of its various complexity-themed papers.
A spreadsheet for measuring the relative complexity of parts of the UK tax system.
The Office of Tax Simplification set out lessons learned and four principles for avoiding complexity.
Papers analysing the use of definitions for three tax acts.
These documents set out conclusions from OTS research into ways to measure complexity in the tax system.
First published during the 2010 to 2015 Conservative and Liberal Democrat coalition government
This 2014 paper sets out in detail our method for measuring where the tax system is most complex.
This paper explains how the OTS complexity index works.
A list of all 639 tax thresholds in force in December 2012.
An analysis of all 639 numerical thresholds in tax legislation.
A 2012 analysis of the length of tax legislation.
All material relating to the OTS review of tax reliefs, allowances and exemptions, for businesses and individuals.
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