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Now you can conveniently calculate your quarterly IFTA taxes by using our Permits Plus Inc. IFTA Tax Calculator. The cost is $25 per quarter. You can calculate your taxes due for the current quarter or prior quarters.
Simply enter your total mileage traveled per state and your total fuel purchased per state for all IFTA qualified units.

Follow the prompts, entering all the requested information until you get to the IFTA Tax Calculations page. Then print out your calculations and copy them onto your quarterly IFTA tax return. Be sure to enter your email address correctly so that you can receive a copy of your quarterly calculations by email.


Delinquent Filings: Please note that all delinquent filings will include a state incurred $50 late penalty which must be included with your late filing. Upon receipt of your delinquent return your base state will calculate additional interest fees due and bill you.
For additional support on using our IFTA Tax Calculator please call Permits Plus Inc @ 1-877-722-8059 Monday thru Friday 8am-5pm EST

Select the tax quarter and your base state.
Tax Quarter:
Base State:
Please enter the type and expiration date of the credit card you will be using to purchase your results.(You will complete this information after you have inputted your data.)
Card Type:
Expiration Date:
Our Nationwide Truck Permit Offices
Permits Plus Inc.
P.O. Box 557
8128 Lee Hwy
Troutville, Virginia 24175-0557
Fax (540) 966-2175
New York
Permits Plus Inc.
P.O. Box 57
Aquebogue, New York 11931-0057
Fax (631) 722-4541
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