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The latest common basic data set (CBDS) and version control log for use by software suppliers developing management information systems.
What tax codes are, how they're worked out, and what to do if you think your code is wrong.
Your tax code is used by your employer or pension provider to work out how…
Your tax code is made up of numbers and letters. 1257L is the tax code…
If your tax code ends in ‘W1’ or ‘M1’ or ‘X’ you’re on an emergency tax…
HMRC may update your tax code if: you start a new job you get taxable…
In most cases, HMRC will automatically update your tax code when your…
This section describes guidance for area types that authorities should consider when creating design codes or guides.
Completed RFCs that we'll make to the CBDS during 2020, including details of the change and the reasons for the request.
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