Tax Glossary

Welcome to the our Tax Glossary. To help you interpret the jargon that you can come across in dealing with your tax, our team of experts have written a brief explanation for hundreds of technical terms. Click on a letter to show entries.

Click on a letter to show entries
Year of Assessment
The year of assessment runs from the 6th April to 5th April next. Therefore the 2009/10 tax year runs from 6th April 2009 to 5th April 2010.
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