International Fuel Tax Agreement Tax Report IFTA ... - Colorado.gov - colorado 2026

1. Click ‘Get Form’ to open the International Fuel Tax Agreement Tax Report in the editor.
2. Begin by entering the total miles traveled during the reporting period on Line 1A. Ensure you round to the nearest whole mile.
3. On Line 1B, input the total gallons of fuel placed in the propulsion tank for all qualified vehicles, rounding to the nearest whole gallon.
4. Calculate your average miles per gallon by dividing Line 1A by Line 1B and rounding to two decimal places for Line 1C.
5. Indicate the appropriate fuel type on Line 2. Remember, a separate form is required for each fuel type.
6. List all IFTA jurisdictions where you traveled in Column 3, ensuring not to include jurisdictions with zero miles.
7. For Column 4, enter total miles traveled in each jurisdiction, rounding as necessary. For non-IFTA jurisdictions, report those separately below column totals.
8. Complete Columns 5 through 12 as instructed, ensuring accurate calculations and rounding where specified.
9. Finally, sign and date your report before submitting it to ensure compliance with filing requirements.

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