Receipt Tracking for Long-Haul Truckers: Per Diem, Fuel, and the Records That Survive the Road

Driving a truck for a living means your tax return has more moving parts than most. Per diem days, fuel for IFTA, scale tickets, tolls, repairs, parking, lumper fees, washouts, ELDs, OOIDA dues, satellite radio, motel rooms when you can't legally drive another mile. Owner-operators carry tens of thousands in deductible expenses every year, and the gap between a clean return and a sloppy one is often five figures.

The catch is that the receipts your deductions depend on live in a diesel-stained cab. They get jammed in a glove box, faded by the dash sun, rained on at a fuel island, or just lost between the cushions. By tax time you've got a shoebox of half-illegible thermal paper and an accountant who's about to charge you to sort it.

This is which receipts you actually need to keep, what the IRS wants them to show, and how to capture them in a way that survives the road.

Per diem is the biggest deduction drivers underestimate

The IRS allows OTR drivers subject to DOT hours-of-service rules to deduct 80% of the special transportation worker per diem rate. For 2025 that rate has been $69 per day for travel within the continental U.S. (the rate is set jointly by the IRS and GSA and updates periodically; check IRS Publication 463 and Notice 2024-68 for the year you're filing). At 250 days a year, that's around $13,800 just from per diem before any other expense.

Per diem does not require you to keep meal receipts. It's a daily rate. What it requires is proof you were on the road that day. Three things have to be true for a per diem day to count:

• You were away from your tax home overnight. Your tax home is your main place of business, not where you sleep on weekends.
• You needed rest or sleep to do the job. A local run that has you home for the night doesn't count.
• You can prove you were on the road. ELD logs are the strongest evidence. Settlement statements from your carrier showing the trip also work.

Half-days count as half-days. The day you leave home and the day you return are usually 75% of the full rate. Your accountant or tax software handles the math. What you owe them is the count of full days and partial days, backed by your logs.

Fuel: the IFTA receipt that doubles as a tax record

You already keep fuel receipts for IFTA quarterly reporting. The good news is the same records satisfy the IRS for the federal fuel deduction. The bad news is that thermal paper fades, fuel-island receipts run small and cramped, and IFTA wants specific information.

Every fuel purchase needs to show the date, the location (city and state, not just the truck stop name), the number of gallons, the price per gallon, and the total. Most modern fuel cards print all of that — some older pumps do not, in which case the IFTA reporting fields you fill in at the pump are the record.

For tax purposes, the fuel itself is fully deductible if you use the actual-expense method. Owner-operators generally cannot use the standard mileage rate (it is not available for vehicles you use for hire), so actual-expense is the path. That means every gallon you buy needs a receipt. The IRS does not love “I estimate I bought 12,000 gallons.”

The other reason to keep fuel receipts even when your fuel card has all the data: the card statement is a summary, not a record. If you ever get audited, the auditor wants to see the underlying receipts, not just the card’s monthly report. Same principle for any expense.

The non-obvious receipts that add up

Everyone tracks the big-line-item deductions (per diem, fuel, truck payment, insurance). The ones that get missed are the small recurring expenses nobody bothers to record because each one feels too trivial. Across 250 days on the road, they add up to thousands.

• Scale tickets. Every weigh, every CAT scale. $14 a pop, several times a week.
• Tolls. EZ-Pass and equivalent statements are deductible. Cash tolls need a receipt or a contemporaneous note.
• Lumper fees. Pay-out advances from your broker show on a settlement, but cash lumpers are different. Capture the receipt.
• Washouts and detailing. Reefers get washed out between loads. Deductible. So is truck washing, polish, interior detailing.
• Parking. Truck stops, terminal lots, the occasional motel with a rig parking lot.
• Showers and laundry on the road. Reimbursed showers from a fuel card don't count, but cash-paid showers and laundromat charges do.
• DOT physicals, drug tests, medical cards. All deductible as required-by-job expenses.
• CDL renewal fees, HAZMAT endorsement renewals, TWIC cards.
• ELD subscription, satellite radio, cell phone (business-use portion).
• Trade dues. OOIDA, ATA, state association memberships.
• Trade publications, education, CDL training updates.
• Bedding, work boots, gloves, safety vests, tools kept in the truck. If it's required for the job and not suitable for everyday wear, it's deductible.
• Tools and parts. Anything you carry to fix your own rig.
• Repairs and maintenance. Every oil change, every tire, every PM, every shop visit.

None of these needs a fancy receipt printed on good paper. They need a record showing date, vendor, amount, and a note about what it was for. A photo of thermal paper taken at the moment of purchase is as good a record as any.

How to capture receipts from a cab

The advice that works for a freelance designer at a desk ("just scan it when you get home") falls apart for someone whose home is 2,000 miles away and who already has thirty receipts in the cab.

The system that survives the road has three properties:

1. Capture happens at the moment of payment. Wait until you stop for the night and half the receipts are lost, faded, or forgotten.
2. It doesn't take both hands or full attention. You're leaving a fuel island with a shipper waiting. You can't stop to log into an app and fill out a form.
3. The original receipt doesn't need to survive. Once the photo's taken, thermal paper can fade to nothing. The digital record is what the IRS accepts.

Simplest workflow that meets all three is a one-tap camera button on your phone's home screen that uploads to your books automatically. You pay, walk to the cab, snap the receipt before climbing in, throw the paper in the cup holder or trash. Capture takes longer to describe than to do. Across 250 days on the road, that's the gap between a clean year and a guessing year.

SendToBooks gives you three ways to do this depending on the day:

• Snap. Private camera icon on your phone's home screen. One tap, no login. Fastest for fuel islands and most paper receipts.
• Text a photo to your personal SendToBooks number. Same idea, slightly different motion. Works on a flip phone or a smartphone with no data.
• Forward email receipts from truck-stop loyalty programs, freight broker invoices, lodging reservations, parts orders. Set up a forwarding rule once and the digital ones route themselves.

Categorize as you go, not at year-end

What separates a clean trucker return from a messy one is whether the receipts are categorized at all. A pile of 600 unsorted receipts is barely better than nothing. Your accountant still has to sort each one, and they'll bill you for the time.

SendToBooks tries to figure out the category from the receipt itself (a fuel receipt at a Pilot is fuel, a Walmart receipt for batteries and oil is maintenance, a motel receipt is lodging) and you confirm or correct it in the dashboard. Set up books for each truck if you run more than one. Build category lists that match your trucker tax forms: Fuel, Maintenance & Repairs, Tolls & Scales, Insurance, Communications, Dues & Subs, Per Diem Days, Lodging, Other.

At year-end you export the lot. Your accountant gets a clean spreadsheet with receipt images attached. The conversation goes from "what is this charge?" to "here's your fuel total, here's your per diem days, here's your IFTA gallons."

What audit-proofing actually means

The IRS doesn't audit every trucker. When they do, the audits go deep. Transportation has a lot of cash and a lot of opportunity to under-document. The audit-resistance kit isn't complicated:

• Every deduction has a contemporaneous record. The photo taken the same day counts. The entry made in March from memory doesn't.
• The record shows date, amount, vendor, and (for meals, gifts, travel) the business purpose.
• Personal and business expenses are separated. Mixed-use receipts (you grabbed windshield washer fluid and a soda) need the personal portion identified.
• ELD output is kept for at least three years and aligns with the per diem claim.

None of it's unreasonable. It just requires a system where capture is so easy you never skip it. The shoebox isn't that system.