Tax Code Guide

CD0

Welsh Tax Code CD0

What does this code mean?

CD0 means all income from this source is taxed at the Welsh Higher Rate of 40%. This is the Welsh equivalent of D0 and applies when your main income already exceeds the basic rate band. Currently Welsh rates mirror England rates.

Who gets this code?

Higher-earning Welsh taxpayers with secondary income sources.

Is it correct?

Check your latest P45 or Payslip to see if this matches your current situation.

Think you overpaid on CD0?

If your tax code was wrong for even a few months, HMRC might owe you money. Upload your P60 or Payslip to check instantly.

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