Penalties for Late/No Filing of IFTA Returns

It is important to file quarterly IFTA returns on time to avoid possible penalties. ExpressIFTA makes it easy for you to do so. 

A penalty of $50.00 or 10% of the net tax liability, whichever is greater, will be assessed on late-filed reports, failure to file, or for underpayment of tax due. If the net tax liability is zero or a credit, the late filing penalty will still be $50.00. To avoid penalty for late filing, the tax reports must be postmarked no later than midnight on the date indicated. If the last day of the month falls on a Saturday, Sunday or legal holiday, the next business day will be considered as filed timely.

Interest is computed on all delinquent taxes dues each jurisdiction at a rate of .4167% per month.  Even if you have a net refund, interest still applies to each jurisdiction for any underpayment of fuels use tax to that jurisdiction and is calculated beginning the day after the due date of the return for each month, or fraction of a month, until paid.

You also have to renew your IFTA decals, annually.  Most states mail out the renewal papers, but it is your responsibility to renew.  All quarterly returns must have been filed and all taxes must be paid in full in order to renew.

How to File?
Some states offer online filing for quarterly filing, while others require paper filing. Check your state requirements.

To get started today go to or contact our Express Tax Support Center in Rock Hill, SC  at 704.234.6005 between 8am – 6pm EST, Monday through Friday or email us at

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