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      National Insurance Contributions (NICs)Administrative datasets on National Insurance Contributions (NICs)
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      Monthly Differences DataData on significant differences between VAT returns and receipts. Updated: monthly.
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      Modernisation of Stamp Duty (administrative system)Information on properties sold with value over £40,000 e.g. price, tax liability, type of property, geography of property with information on the purchaser, vendor and solicitor...
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      Mobile and Flexible Working surveySurvey of HMRC staff working patterns and attitudes to mobile/flexible working. Updated: one-off survey. Data coverage: 2013/14
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      Missing Trader Intra Community (MTIC) dataHistorical amounts of VAT repayments and traders with an MTIC interest set on HMRC systems. Updated: monthly. Data coverage: 2002/03
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      Legal Advice (Solicitors)Advice log, correspondence, guidance and templates for Solicitors advice. Updated: ad hoc.
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      Large Litigation Cases - Indirect taxLarge Indirect tax Litigation Cases
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      Large & Complex Hit RateInternal Departmental Systems on Large & Complex Hit Rates. Updated: monthly.
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      Large Case ListCases within HMRC Local Compliance that have yielded in excess of £1m (Indirect Tax) or £5m (Direct Tax). Updated: monthly.
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      Large Business Service Hit RateInternal Departmental Systems on Large Business Service Hit Rates. Updated: monthly.
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      Landfill taxAdministrative datasets on landfill tax
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      IT UnavailabilityThe time that information systems are unavailable. Updated: monthly.
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      Invoices Prompt PaymentsThe proportion of invoices paid to agreed timescales. Updated: monthly.
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      Intervention YieldAmount of money we expect to receive as a result of compliance activity. Updated: monthly.
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      International TradeAdministrative datasets on Customs Duties, other taxes due and administer International Trade
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      Interest paid net or gross of tax on individual's bank and building society...The dataset holds interest paid net or gross of tax on individual's bank and building society accounts. Updated: annually.
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      Intangibles SurveyThe data collected is used in policy analysis. Updated: Annually
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      Insurance Premium TaxAdministrative datasets on Insurance Premium Tax
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      Insurance ChecksVerification that suppliers have the appropriate insurance. Updated: annually.
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      Inheritance TaxAdministrative datasets on Inheritance Tax