| Begin transmitting live IRS e-file returns |
January 27, 2025 |
| Last date for transmitting timely filed returns |
April 15, 2025 |
| Last date for transmitting timely filed Forms 4868 |
April 15, 2025 |
| Last date for retransmitting rejected timely filed returns |
April 20, 2025 |
| Last date for retransmitting rejected timely filed Forms 4868 |
April 20, 2025 |
| Last date IRS will accept test transmissions |
No cut-off date |
| Last date to submit new IRS e-file applications |
No cut-off date |
| Transmitting timely filed Forms 4868 or 2350 to meet overseas exception |
June 16, 2025 |
| Retransmitting rejected timely filed Forms 4868 or 2350 to meet overseas exception |
June 21, 2025 |
| Last date for transmitting returns on extension from Form 4868 |
October 15, 2025 |
| Last date for retransmitting rejected, late, or returns on extension from Form 4868 |
October 20, 2025 |