eFile & Pay
If the due date falls on a weekend, federal holiday, or legal holiday as defined in Iowa Code section 4.1(34), the due date is moved to the next bank working day following the weekend or legal holiday. ACH Credit option filers: Contact your banking institution to verify your transfer cut off time.
Motor Fuel EFT Semi-Monthly Tax Calendar
| PERIOD END | DUE DATE | PERIOD END | DUE DATE |
|---|---|---|---|
| January 15 | January 31 | July 15 | July 31 |
| January 31 | February 15 | July 31 | August 15 |
| February 15 | February 28 | August 15 | August 31 |
| February 29 | March 15 | August 31 | September 15 |
| March 15 | March 31 | September 15 | September 30 |
| March 31 | April 15 | September 30 | October 15 |
| April 15 | April 30 | October 15 | October 31 |
| April 30 | May 15 | October 31 | November 15 |
| May 15 | May 31 | November 15 | November 30 |
| May 31 | June 15 | November 30 | December 15 |
| June 15 | June 30 | December 15 | December 31 |
| June 30 | July 15 | December 31 | January 15 |
Motor Fuel EFT Monthly Tax Calendar
| PERIOD END | DUE DATE | PERIOD END | DUE DATE |
|---|---|---|---|
| January 31 | February 28 | July 31 | August 31 |
| February 29 | March 31 | August 31 | September 30 |
| March 31 | April 30 | September 30 | October 31 |
| April 30 | May 31 | October 31 | November 30 |
| May 31 | June 30 | November 30 | December 31 |
| June 30 | July 31 | December 31 | January 31 |