Review rule
Most IFTA errors are input errors.
Before debating tax due, check miles, gallons, jurisdiction assignment, and receipt timing. The calculator is useful after the source data is clean.
IFTA prep
Quarterly IFTA checklist.
Gather these numbers before you review a filing or question a tax-due estimate.
Total miles by jurisdiction
Tax-paid gallons by jurisdiction
Fleet MPG for the quarter
Fuel receipt backup
Current jurisdiction tax rates
Exempt miles or special cases