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HMRC letter, enquiry or investigation
Practical YesTax explanations, checklists and problem-solving guides for this area of tax.
HMRC Compliance Check Letter: What it means and how to respond
What to do if you receive an HMRC tax compliance check letter (Notice of Check), the difference between aspect and full enquiries, and response deadlines.
Updated 2026-09-11
Received a letter from HMRC? What to gather before asking for tax help
What an HMRC tax compliance letter means, a checklist of documents to gather, and how to prepare a clear response to an HMRC enquiry.
Updated 2026-09-10
Can you appeal an HMRC penalty? What counts as a reasonable excuse?
How HMRC penalty appeals work, the usual 30-day appeal window, and the kinds of circumstances that can amount to a reasonable excuse.
Updated 2026-09-03
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