When Can You Contest a Tax Assessment?
📚 UK Legal reference: Under the Taxes Management Act 1970, you can appeal a tax assessment to HMRC within 30 days of the decision, and further to the First-tier Tax Tribunal if needed.
What Your Letter Must Include
- Your full details and tax reference number
- Reference of the disputed assessment
- Clear explanation of the error with supporting figures
- Legal basis for your complaint
- Explicit request for correction and refund if applicable