Use the table below to find the due date of a tax-exempt corporation's unrelated business income tax return (Form 990-T). To use the table, you must know when your organization’s tax year ends.
| Ending date of tax year | Initial return due date | Extended due date - corporations |
|---|---|---|
| December 31 | May 15 | November 15 |
| November 30 | April 15 | October 15 |
| October 31 | March 15 | September 15 |
| September 30 | February 15 | August 15 |
| August 31 | January 15 | July 15 |
| July 31 | December 15 | June 15 |
| June 30 | November 15 | May 15 |
| May 31 | October 15 | April 15 |
| April 30 | September 15 | March 15 |
| March 31 | August 15 | February 15 |
| February 28/29 | July 15 | January 15 |
| January 31 | June 15 | December 15 |
If a due date falls on a Saturday, Sunday, or legal holiday, the due date is delayed until the next business day. The table above does not reflect the additional day.