Receiving a Code of Practice 9 letter from HMRC is a serious moment. In this Blog our ex HMRC expert Andy Lynch looks at what can be done.
Receiving a Code of Practice 9 letter from HMRC is a serious moment. COP9 is not a routine tax enquiry. It is HMRC’s civil route for dealing with suspected tax fraud. How you respond, and whether you engage with the Contractual Disclosure Facility, can have long-term consequences for criminal exposure, penalties, and your position as a director.
This article explains what COP9 is, why HMRC issues it, and when accepting it may or may not be the right option.
What is HMRC Code of Practice 9?
Code of Practice 9 is used by HMRC where it suspects deliberate tax fraud. It offers taxpayers the opportunity to resolve matters on a civil basis, rather than through criminal prosecution, provided they make a full and honest disclosure of all deliberate wrongdoing.
- COP9 sits firmly at the serious end of HMRC’s enforcement framework.
- It is used where HMRC believes behaviour goes beyond carelessness or error and involves intentional conduct.
The letter itself does not accuse the recipient of a criminal offence, but it signals that HMRC believes the legal threshold for fraud may be met.
Always remember – COP9 is a civil fraud process, not a routine compliance check.
Why does HMRC issue a COP9 letter?
HMRC issues a COP9 letter when its risk assessment suggests deliberate behaviour. This can arise from a range of factors, including discrepancies uncovered during enquiries, third-party disclosures, whistleblowers, or intelligence from other investigations.
Importantly, COP9 is not limited to large businesses or complex offshore structures. Directors of SMEs, sole traders, and individuals can all be subject to COP9 where HMRC believes tax has been deliberately understated or concealed.
The purpose of COP9 is twofold. It allows HMRC to recover tax efficiently while offering the taxpayer an alternative to criminal investigation, provided they cooperate fully.
What is the Contractual Disclosure Facility and how does it work?
The Contractual Disclosure Facility, or CDF, is the mechanism through which COP9 operates. HMRC invites the taxpayer to enter into a formal agreement to disclose all deliberate tax irregularities in return for HMRC agreeing not to pursue a criminal prosecution for those matters.
- Accepting the CDF involves strict obligations.
- The taxpayer must submit an outline disclosure within a short timeframe, followed by a detailed report covering all relevant periods and taxes.
- This is not limited to the issues HMRC has already identified.
The immunity from prosecution offered under the CDF is conditional. It applies only to matters fully disclosed and only if the disclosure is complete and accurate. Any attempt to minimise, omit, or mischaracterise behaviour can invalidate the protection.
Our Takeaway: The CDF offers protection from prosecution, but only where full and frank disclosure is made.
When is accepting COP9 the right option – and when is it not?
Accepting Code of Practice 9 (COP9) can be the right decision where there is genuine exposure to allegations of deliberate behaviour and a realistic risk of criminal investigation. In those circumstances, the certainty of a civil outcome may outweigh the cost and disruption of the process.
However, COP9 is not always the safest route.
- Where HMRC’s suspicion is weak, based on incorrect assumptions, or relates to behaviour that is not deliberate, accepting COP9 may unnecessarily escalate matters.
- The act of disclosure itself can create admissions that would not otherwise exist.
There are also wider consequences to consider. Admissions of deliberate behaviour can affect professional standing, director disqualification risk, and future dealings with HMRC. For directors, the impact can extend well beyond the tax liabilities themselves.
COP9 can protect against criminal risk, but it should never be accepted without careful legal assessment.
What should you do if you receive a COP9 letter?
The most important step is not to respond in haste. COP9 letters come with tight deadlines, but early, unconsidered engagement can do lasting damage.
Independent legal advice is essential. Code of Practice 9 (COP9) sits at the intersection of tax, fraud, and criminal risk, and the first response often shapes HMRC’s approach throughout the investigation. It is also important not to rely solely on accounting advice, as the issues are legal as well as technical.
With the right advice, it may be possible to challenge HMRC’s assumptions, negotiate scope, or manage the process in a way that protects both personal and commercial interests.
Takeaway: Early, specialist advice is critical when dealing with COP9.
What to do next
Code of Practice 9 is designed to give HMRC a civil route to deal with suspected tax fraud, but it places significant responsibility on the taxpayer. Accepting COP9 can be the right decision in the right case, but it is not a default or risk-free option.
Understanding the legal and strategic implications at the outset is essential. In serious tax matters, the first step is often the most important.
Contact our team today for help
Andy Lynch. Andy is an expert on a wide range of HMRC claims and before joining FWJ, he spent 18 years at HM Customs & Excise in their National Investigation Service. His experience is unrivalled in all types of HMRC claims including HMRC investigation defence, VAT claims, R&D tax credit defence, Account Freezing Orders, Tax Disclosure, Code of Practice 8 & 9 claims, winding up petition defence and much more. We have been helping individuals and companies for 25 years.
