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Tunnel Fox

Diesel refund compliance, recovery & audit readiness

Recover More From Your Diesel.
Claim Correctly.
Stay SARS-Ready.

Specialist diesel refund compliance and recovery services for qualifying South African mining, farming and forestry businesses.

We help qualifying businesses identify eligible diesel usage, calculate refund opportunities, maintain compliant fuel records and prepare SARS-ready diesel refund claims.

Diesel refund position

Illustrative

Monthly Diesel Purchased

250 000 L

Estimated Eligible Diesel

187 500 L

Indicative Refund Rate

R3.822/L

Potential Refund

R716 625

Eligible share of purchased litres75%
  • Eligible
  • Evidence required
  • Non-eligible
  • Unreconciled
Indicative calculation only. Actual eligibility and refund values depend on qualifying activities, supporting records and applicable SARS rules and rates.

Industries

Specialist Diesel Refund Support for South African Primary Producers

Eligibility is driven by the activity performed and the evidence available, not by an industry label alone.

Mining

Review fuel used in qualifying mining activities, equipment, contractor operations and mine-site production processes.

Mining Diesel Refunds

Agriculture

Analyse tractors, harvesters, irrigation, pumping, agricultural machinery and qualifying on-farm diesel consumption.

Agricultural Diesel Refunds

Forestry

Review diesel consumed in qualifying forestry production, harvesting and related operations.

Forestry Diesel Refunds

Other Eligible Operations

Assessments for potentially qualifying activities such as commercial fishing, rail freight, offshore activities and other categories recognised under the applicable Diesel Refund Scheme.

Check Eligibility

The core problem

Buying Diesel Is Easy.
Proving Where It Was Used Is The Difficult Part.

A compliant diesel refund claim needs a defensible audit trail showing where diesel was purchased, delivered, stored, dispensed and consumed — and what activity consumed it.

Most operations can produce invoices within minutes. Far fewer can show, for a specific period, which machine burned which litres on which activity. That gap is where claims are reduced, queried or withdrawn.

“Our role is to turn operational fuel data into structured, reconciled and audit-ready diesel refund working papers.”

The diesel audit trail

  1. 1Supplier Invoice
  2. 2Fuel Delivery
  3. 3Storage Tank
  4. 4Fuel Dispensing
  5. 5Equipment / Vehicle
  6. 6Operational Activity
  7. 7Eligible / Non-Eligible
  8. 8Refund Claim

Refund calculator

How Much Could Your Business Potentially Recover?

Enter your typical monthly diesel volume and your own estimate of the share used in potentially qualifying activities.

Total litres purchased across all sites in a typical month.

75%

Your own estimate of the share of diesel used in potentially qualifying activities.

Indicative result

Monthly diesel purchased
250 000 L
Estimated eligible diesel
187 500 L
Indicative refund rate
R3.822/L
Indicative monthly refund
R716 625
Indicative annual refund
R8 599 500

Indicative rate currently used by calculator: R3.822 per eligible litre.

The calculator provides an indicative estimate only and does not constitute tax, legal or financial advice. Actual eligibility depends on applicable SARS rules, qualifying activities, evidence and the refund rate applicable during each claim period.

Services

Diesel refund services from first assessment to SARS verification

Each engagement is evidence-led. Where a position cannot be supported, we say so.

Diesel Refund Opportunity Assessment

We review your current fuel consumption, operating activities and records to establish whether there may be a qualifying diesel refund opportunity, and what would be required to support a claim.

Request Assessment

Historic Diesel Refund Review

We review eligible prior periods to establish whether qualifying diesel usage may have been underclaimed or not claimed at all, and whether the supporting evidence exists to support a review.

Review Previous Claims

Monthly Diesel Refund Management

Recurring support that keeps diesel data reconciled, qualifying litres calculated consistently and supporting evidence maintained every period.

Discuss Monthly Management

Diesel Logbooks & Recordkeeping

We help implement practical diesel records that operators will actually maintain and that a verification can follow from purchase through to activity.

Improve Your Diesel Records

Contractor Diesel Review

Contractor diesel is one of the most common areas where claims are challenged. We review the arrangements, the paperwork and the fuel flow to establish what can be supported.

Review Contractor Diesel

SARS Verification & Audit Support

When a diesel refund claim is selected for verification, the response is only as strong as the underlying records. We assemble and reconcile the evidence pack.

Request SARS Support

How it works

A five-step diesel refund process

  1. Step 1

    Free Assessment

    Understand the business, operations, fuel consumption and existing refund process.

  2. Step 2

    Diesel Data Review

    Review fuel invoices, storage tanks, dispensing records, equipment, contractors and activities.

  3. Step 3

    Eligibility Analysis

    Classify fuel usage as eligible, evidence required, non-eligible or unreconciled.

  4. Step 4

    Claim Preparation

    Reconcile qualifying diesel and create supporting working papers.

  5. Step 5

    Ongoing Compliance

    Maintain the data and evidence required for future claims and reviews.

Diesel compliance

Know Where Every Litre Went.

Every litre should sit in one of four clearly labelled positions — and unreconciled volume should never be quietly treated as eligible.

“Our methodology focuses on identifying defensible eligible litres rather than simply maximising the number of litres claimed.”

Diesel Purchased

500 000 L

Diesel Dispensed

492 400 L

Potential Indicative Refund

R1 611 355

  • Eligible421 600 L

    Eligible + Fully Supported

  • Non-Eligible70 800 L

    Non-Eligible

  • Unreconciled7 600 L

    Unreconciled

Why compliance matters more than volume

A larger claim that cannot be reconstructed from records is a liability, not a win. Our working papers are built so that any claimed litre can be traced back through dispensing, equipment and activity to the original supplier invoice.

Explore our compliance approach

Working with accountants and tax practitioners

Keep your client relationship. We provide the specialist diesel refund compliance expertise behind your firm, through referral, white-label or technical review arrangements.

Partner with us

Resources

Diesel refund guides and knowledge base

Conservative, practical explanations of the scheme, records and evidence expectations.

Scheme updateSARS diesel refund changes in 2026: modernised registration and the onland entitlement adjustmentRead the update

Scheme Update

SARS Diesel Refund Changes in 2026: What Claimants Should Prepare For

SARS has announced a modernised Diesel Refund System and an adjustment to the onland primary-sector entitlement. Here is what has been published and what to prepare.

Read the guide

Diesel Refund Guide

Diesel Rebate or Diesel Refund? The Difference That Costs Claims

Most operations call it a diesel rebate. SARS administers a diesel refund. The words matter less than knowing which relief you are actually claiming.

Read the guide

Diesel Refund Guide

Complete Guide to the South African Diesel Refund Scheme

What the scheme is, who it is aimed at, and why evidence rather than volume determines what can be claimed.

Read the guide

Case studies

Client outcomes

We publish case studies only where a client has approved the detail. Nothing on this website is invented, illustrative figures are labelled as such, and no testimonial appears until it is genuine.

FAQ

Diesel refund questions we are asked most

Start with a free diesel refund assessment

We review your diesel consumption, current claim position and records, then set out the indicative opportunity and what would be required to support it.