The Logbook Myth: Why Code 3703 Reimbursive Allowances Won’t Lower Your Tax Bill
It is a common scenario during tax season: an employee meticulously keeps a vehicle logbook all year, fully expecting to claim a significant travel deduction on their Individual Income Tax Return. However, when they look at their IRP5, they find out that a deduction is impossible because their employer captured their travel under code 3703 (Reimbursive Travel Allowance).
If you are wondering why your flawless logbook isn’t shifting your tax calculation, here is the reason behind the rules.
The Golden Rule: No Tax, No Deduction
When an employer processes travel tracking as a Reimbursive Allowance (code 3703), it means you were paid back at or below the official SARS prescribed rate per kilometre. Because this payout was already 100% tax-free, SARS logic is simple: you cannot claim a tax deduction against income that was never taxed in the first place.
In this specific scenario, your logbook does not unlock a tax deduction. Instead, its primary legal purpose is simply to prove your business mileage to your employer so they can justify giving you that tax-free payout.
When Can You Actually Claim Travel?
A travel deduction on your tax return is only possible under two circumstances:
- Fixed Travel Allowance (Code 3701): You receive a set monthly travel allowance that is subjected to monthly PAYE tax.
- Over-Reimbursement (Code 3702): Your employer reimburses you above the official SARS rate per kilometre, making the excess portion taxable and opening the door for a claim.
Other Ways to Reduce Your Tax Liability
If you are locked out of a travel claim, do not lose hope. You can still lower your tax liability or maximize your refund by auditing your return for other commonly missed deductions before you hit submit:
- Medical Aid & Out-of-Pocket Expenses: Ensure your medical scheme tax certificate is loaded and check for any qualifying out-of-pocket medical expenses or Section 18A donations certificates paid personally.
- Retirement Annuity (RA) Contributions: If you make personal payments to an RA fund outside of your employer’s payroll, ensure your IT3(f) certificate is captured to claim your tax deduction.
Conclusion
While code 3703 provides a great upfront perk—putting tax-free money straight back into your pocket during the year—it does mean your travel claim journey ends there at tax time. Rather than attempting to force a travel claim against non-taxable income, your best tax strategy is to shift your focus toward maximizing your retirement annuity contributions and gathering all out-of-pocket medical receipts.
Review your auto-assessments and financial certificates carefully, ensure every legitimate expense is accounted for, and make the necessary corrections before submitting your final return.
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