Tax Code Guide
D0-M1
Tax Code D0 M1
What does this code mean?
D0 M1 applies the Higher Rate of 40% to all income on a monthly non-cumulative basis. The non-cumulative element can cause additional overpayment above what a standard D0 code would collect. Contact HMRC if this code persists beyond a few months.
Emergency Tax Warning
This is often an emergency or temporary tax code. You might be paying too much tax while on this code.
Who gets this code?
Monthly-paid workers with high-earning secondary employment on emergency tax.
Is it correct?
Check your latest P45 or Payslip to see if this matches your current situation.