A deduction without a receipt is an opinion. A fuel-tax credit without a receipt is a finding. Trucking runs on paper — or on photos of paper — and the difference between an operation that keeps it and one that means to is measured in real money twice a year: at tax time, and whenever an auditor asks.
Why receipts rule trucking taxes
Two systems demand your receipts, and they don't share a filing cabinet in your favor:
- The IRS lets you deduct what you can substantiate. Fuel, repairs, tires, tolls, scales, lodging, supplies — every deductible dollar in the deductions guide is only as strong as the record behind it.
- IFTA goes further: to get credit for tax paid at the pump, you need retail receipts for the fuel. Miss the receipts and you can end up paying fuel tax twice on the same gallons — once at the pump and again on the return, because you can't prove the first time.
The receipts you must keep
| Receipt | Why it matters |
|---|---|
| Fuel — every stop | IFTA credit and your biggest deduction, in one slip. Non-negotiable, no minimum amount. |
| DEF | Deductible, and easy to lose because it feels small. It's a per-mile cost like any other. |
| Maintenance, repairs, tires | Deductions now; warranty and resale evidence later. Keep the invoice, not just the card slip. |
| Tolls, scales, parking, washouts, lumpers | Individually tiny, collectively thousands a year of deductible cost. |
| Lodging | Always needs a receipt — the under-$75 leeway that exists for some travel costs never applies to lodging. |
| Big-ticket purchases | The truck, the trailer, the APU: purchase documents anchor years of depreciation. Keep them as long as you own the asset, plus the tax years after. |
What an IFTA fuel receipt has to show
Not every slip of thermal paper counts. For IFTA, a usable retail fuel receipt shows:
- the date of purchase,
- the seller's name and address — which tells the auditor the state,
- the number of gallons,
- the fuel type,
- the price per gallon or total sale,
- the unit number or other vehicle identifier, and
- the purchaser's name.
The pre-pay slip that shows only "$150.00" fails the list — no gallons, no fuel type. Get the completed receipt after the pump stops, and if the unit number isn't printed, write it on before you photograph it.
IFTA matches fuel to miles by state. Receipts without distance records are as incomplete as miles without receipts — the IFTA guide covers the distance side, and it's the same daily mileage log your cost per mile already wants.
The “$75 rule,” handled carefully
You'll hear that receipts under $75 don't matter. Handle that one with gloves. There is a narrow federal substantiation allowance for certain travel expenses under $75 — but it never applies to lodging, it doesn't remove the need to record the expense (date, amount, place, purpose still have to be written down), and it does nothing for IFTA, which wants fuel receipts regardless of amount.
The practical read: a rule that saves you from photographing a $9 scale ticket, at the price of remembering its four details some other way, isn't saving you anything. Keep everything. The habit is cheaper than the judgment calls.
Are photos enough?
Yes — both the IRS and IFTA jurisdictions accept legible electronic records, and thermal paper fades to blank in a hot cab in a few months anyway, which makes the photo the more durable original. Two conditions do the carrying: the image must be readable (gallons, date, seller — not a blur), and you must be able to find it later. A thousand unsorted photos in a camera roll is a shoebox with a battery.
How long to keep everything
| Record | Keep at least |
|---|---|
| IFTA fuel receipts and distance records | 4 years |
| General tax records and receipts | 3 years from filing |
| Depreciated assets (truck, trailer, APU) | Ownership + the tax years after |
Minimums, not targets — some situations extend the federal clock. Digital storage makes "longer" free, so when in doubt, keep it.
The ten-second system
Every receipt system that works is the same system: capture at the moment of purchase, into one place, every time.
- At the pump: take the completed receipt, photograph it before the truck moves. Ten seconds. The habit is trigger-based — pump clicks off, phone comes out — which is why it survives when "I'll do them Sunday" doesn't.
- One destination. A single album, folder, or app — never three places. Where matters less than one.
- Tag it while it's obvious. Category and truck take two taps at the pump and twenty minutes of guessing in February.
- Month-end, five minutes: count fuel stops against your fuel-card or bank statement. Matching counts is how you learn a receipt went missing while the pump still remembers you.
Or let the photo do the typing
Snap the receipt in AxleVault and the vendor, date, gallons, price and total are read off the photo into your books — categorized, attached to the expense, counted in your cost per mile, and kept IFTA-ready. Free for 14 days, no card required.
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This guide is general information, not tax advice. Tax rules change and interact with your specific circumstances. AxleVault is bookkeeping software, not a tax advisor — talk to a professional who knows trucking before you file.