Upload HMRC Notice
AI extracts the reference, UTR, deadline, amount at issue, and drafts your formal CA response letter.
Supported HMRC Notice Types
SA326 — Income Tax surcharge
Surcharge on unpaid Income Tax; 5% penalty.
SA370 — Late filing penalty
£100 fixed penalty + daily £10 (after 3 months) for late Self Assessment.
CT620 — Corporation Tax enquiry
HMRC opening an enquiry into a Company Tax Return.
VAT654 — VAT assessment
HMRC assessing VAT under-declared; often precedes civil evasion proceedings.
CC/FS1 — Compliance check opening
HMRC's opening letter for a compliance check — respond within 30 days.
COP9 — Suspected serious fraud
Most serious HMRC notice. Requires CIOT adviser; admit via CDF or contest.
Drop your HMRC notice here
PDF or TXT, up to 10 MB
Your notice text is processed by Groq (llama-3.1-70b) for extraction and draft generation. No HMRC notice content is retained by our AI provider after processing.
HMRCGuard generates draft letters for CA review — not a substitute for professional tax advice. Always review and sign off before sending to HMRC. COP9 notices require specialist tax counsel.