HMRC LOI Fines Testing Across England, Scotland & Wales
HMRC introduced the Loss on Ignition (LOI) test to help ensure waste operators correctly classify fines (small waste particles) for landfill tax purposes. The test helps prevent misdescription of waste and supports application of the correct landfill tax rate.
Summary of HMRC LOI Fines Testing Requirements
HMRC LOI testing is carried out to:
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Support correct classification of waste fines for landfill tax purposes
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Help prevent waste misdescription
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Help ensure the correct landfill tax rate is applied
When LOI Testing Applies
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Applies to waste fines produced from mechanical waste treatment processes
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Determines whether fines qualify for the lower landfill tax rate
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Fines with ≤10% organic content qualify for the lower rate; fines with >10% are taxed at the standard rate
Sampling Requirements
HMRC requires strict sampling rules to help ensure representativeness:
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At least 6 sub-samples must be taken at random
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Sub-samples are thoroughly mixed to create a 1 kg composite sample
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Samples must represent the entire waste load being disposed of
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Laboratories must follow HMRC’s prescribed methodology (routine LOI methods are not acceptable)
To discuss HMRC LOI fines testing for landfill tax classification, or to request a quotation, please contact our experienced and dedicated team:
Tel: 0800 177 7264
Email: [email protected]
Or please complete our online call back form by clicking on the “Call Me” button, and we’ll respond promptly.
Laboratory Testing Procedure
The HMRC LOI test follows a defined sequence:
Tax Implications
For the 2022/23 tax year (example rates):
LOI Result and Landfill Tax Rate
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≤10% — £3.15 per tonne
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>10% — £98.60 per tonne
Compliance Expectations
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Waste operators must ensure proper sampling and documentation
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Laboratories must follow HMRC’s exact LOI methodology
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Some laboratories offer HMRC-compliant LOI testing suites including photos, storage, and repeat testing
WHY CHOOSE THE TESTING LAB PLC FOR HMRC LOI FINES TESTING?
Specialist compliance testing provider
Support for HMRC LOI fines testing using the prescribed methodology for landfill tax classification purposes across England, Scotland and Wales.
Clear, practical reporting
Straightforward reporting to support tax classification decisions, documentation, and compliance reviews.
Support for risk reduction and compliant management
Helping waste operators meet representativeness requirements and laboratory testing expectations under HMRC guidance.
Independent. Nationwide.
Supporting clients across England, Scotland & Wales from our National Control Centre.
Areas we cover
From our National Control Centre, we provide HMRC LOI fines testing services across:
- Yorkshire & Humberside
- North East & North West
- East Anglia & East Midlands
- London, South East & South West
- West Midlands, Scotland & Wales
We can support:
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Waste operators producing fines from mechanical waste treatment processes
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HMRC-compliant sampling and composite sample preparation requirements
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LOI testing to support lower-rate vs standard-rate landfill tax classification
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Compliance-focused reporting and documentation for waste loads
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Repeat testing, retained samples, and audit-ready evidence (where required)
FREQUENTLY ASKED QUESTIONS ABOUT HMRC LOI FINES TESTING
Our Accredited Testing Services
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