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Making the complex simple
HMRC refer to enquiries of any nature as compliance checks. In both cases the idea is to ensure that taxpayers are paying the right amount of tax at the right time.
However, whilst all enquiries are compliance checks, not all compliance checks are enquiries!
This is because compliance checks can involve HMRC in asking for records before a return has been received, usually if they think that there are “irregularities”. An enquiry, however, is made into a tax return.
In respect of an enquiry, generally, HMRC has 12 months from the date of filing a self-assessment tax return to open an enquiry. If an enquiry is not made into a tax return within 12 months, it is treated as final. Slightly different rules apply for other taxes, SDLT for example, and we can guide you on this.
HMRC may occasionally undertake more informal information checks in the first instance rather than opening a formal enquiry.
In respect of self-assessment tax returns, HMRC can raise a discovery assessment beyond the 12-month limit for an enquiry in the following circumstances:
• Up to 4 years from the filing date if there is a loss of tax as a result of an incomplete return/disclosure;
• Up to 6 years from the filing date if it involves a loss of tax as a result of a careless error;
• Up to 20 years from the filing date if there is a tax loss due to deliberate conduct.
To raise a discovery assessment, the onus is on HMRC to prove that there has been an incomplete disclosure or a tax loss concluding an enquiry.
HMRC compliance enquiry