What is IFTA and how does it affect my trucking bookkeeping?
IFTA stands for International Fuel Tax Agreement. It’s a tax agreement among 48 US states and 10 Canadian provinces that simplifies fuel tax reporting for trucking companies operating across state lines. Instead of buying separate fuel permits for every jurisdiction you drive through, you file one quarterly return with your base state. That state then distributes tax payments to other jurisdictions based on where you actually drove.
The calculation compares miles driven in each state against fuel purchased in each state. Different states have different fuel tax rates, so if you drove mostly through high-tax states but bought fuel in low-tax states, you’ll owe additional tax. The reverse situation creates a credit. Your quarterly return reconciles what you’ve already paid at the pump against what you owe based on actual miles.
This is where bookkeeping gets specific. Your records need to support the IFTA calculation, which means tracking miles by jurisdiction for every trip. GPS and ELD systems capture this data, but it still needs to flow into your trucking bookkeeping system accurately. A mileage record that just shows total miles for the week doesn’t help when you’re filing quarterly.
Fuel purchases require the same level of detail. Every receipt needs to show where you bought fuel, how many gallons, the price per gallon, and the date. This information determines how much fuel tax you’ve already paid and gets compared against your mileage by state. Receipts without location information or lost receipts create gaps that cause problems at filing time.
Quarterly filings are due at the end of January, April, July, and October. Missing a deadline means penalties and interest. Filing inaccurately can trigger an audit that goes back four years. That four-year window is also how long you need to retain all supporting documentation. Trip reports, fuel receipts, and settlement statements all need to be organized and accessible.
The daily discipline is what trips up most trucking companies. Drivers forget to note which state a fuel stop was in. Paper receipts get lost in the cab. Mileage data from one system doesn’t match the accounting software. These small gaps accumulate over a quarter and turn filing into a scramble instead of a routine task.
Fuel cards help because they automatically record location and gallons purchased. ELD data exports can feed directly into accounting software if configured correctly. The goal is capturing information once at the source instead of reconstructing it later from memory or incomplete records.
Working with a bookkeeper near Fayetteville who understands trucking operations makes quarterly IFTA filings much smoother. The systems get set up correctly from the start, data flows where it needs to go, and the reports you need are ready when filing deadlines hit. General bookkeepers often don’t understand the jurisdictional tracking IFTA requires, which leads to year-end surprises when returns get filed incorrectly.
If you’re running trucks across state lines, getting your tracking systems right now saves headaches every quarter. The filing itself isn’t complicated. The bookkeeping that supports accurate filing is what requires attention.
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