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Tax Code Correction Request Letter Template
How to request HMRC correct an incorrect PAYE tax code — what to include, your legal rights, and a free letter generator.
← All Letter Templates · HMRC & Tax · Last updated 18 August 2026
This is free rights guidance, not legal advice. For advice specific to your situation, see our About page or contact Citizens Advice.
If you need to request HMRC correct an incorrect PAYE tax code, a written letter is the recommended first step — it creates a clear record and shows you're pursuing the matter formally. Below is what a strong tax code correction request should include, plus a free tool to generate yours.
What this letter needs to cover
- State the incorrect code being used and what the correct code should be
- Explain why the code is wrong (previous employment, benefits in kind incorrectly included, etc)
- Request immediate amendment and notify the employer
- Ask for confirmation and calculation of any overpaid or underpaid tax
See our full letter template library for related templates, or use our free checkers for guidance specific to your situation.
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