IFTA is an agreement that lets a trucking fleet report the fuel tax for many states on a single quarterly return. The taxes are then split among the states the trucks actually drove through.
The letters stand for the International Fuel Tax Agreement. Before it, a trucker crossing several states had to file a separate fuel tax return in each one, which was a heavy paperwork burden. IFTA replaced that with one return filed in the carrier’s home state, covering all the member states at once.
The math works off miles and gallons. The carrier tracks how many miles its trucks ran in each state and how many gallons they bought in each state. The home state takes the single return, figures what is owed to each member state, and settles up between the states on the carrier’s behalf.
It matters because the records have to be exact. Mileage and fuel logs that do not add up are a common trigger for an audit, and the penalties land on the carrier. Good tracking through the quarter is what keeps the filing clean.
In useThe fleet logged its miles and fuel buys by state all quarter, then filed one IFTA return at home instead of chasing a separate filing in every state its trucks crossed.
Where the word comes from
IFTA stands for the International Fuel Tax Agreement, the cooperative arrangement among the United States and Canadian provinces that replaced filing fuel tax separately in every jurisdiction.
See also Motor fuel excise tax, Form 720