The following information is required to complete your tax return
1st quarter - January - March, due by April 30
2nd quarter - April - June, due by July 31
3rd quarter - July - September, due by October 31
4th quarter - October - December, due by January 31
If the due date is a Saturday, Sunday or legal holiday, the next business day is considered the due date. The date that the tax return is paid in full is the filing date.
Paper filings must be postmarked by the due date. The licensee will be subject to the IFTA penalty and interest provisions if the report is not filed in a timely manner. Operating suspensions will be applied to delinquent accounts.
If you file an amended return after the due date, it is now considered late, and penalty & interest must be included in the payment.
An overpayment will be processed as a credit if refund box is not marked. Anything under $10.00 will be forwarded as a credit.