TY2025 Tax Season Timeline
See below for the TY2025 Tax Season Timeline for all of the US and MRDP tax forms supported by Taxbit.
In addition, we encourage all clients to complete a dry run of the tax season by November 28, 2025, in order to ensure a smooth tax season.
US Timeline
| Date | Form Type(s) | Requirement |
| Monday, January 26, 2026 | Form 1099-NEC, MISC, K, INT, DIV, R, FMV (RMD) Statement | Approve physical mail delivery |
| Wednesday, January 28, 2026 | Form 1099-NEC | Approve forms to be filed by Taxbit |
| Monday, February 2, 2026 | Form 1099-NEC, MISC, K, INT, DIV, R, FMV (RMD) Statement | Recipient Copy Delivery Deadline |
| Monday, February 2, 2026 | Form 1099-NEC | Filing Deadline |
| Monday, February 9, 2026 | Form 1099-B, DA | Approve physical mail delivery |
| Tuesday, February 17, 2026 | Form 1099-B, DA | Recipient Copy Delivery Deadline |
| Monday, March 9, 2026 | Form 1042-S | Approve physical mail delivery |
| Monday, March 9, 2026 | Form 1042-S | Approve forms to be filed by Taxbit |
| Monday, March 16, 2026 | Form 1042-S | Recipient Copy Delivery Deadline |
| Monday, March 16, 2026 | Form 1042-S | Filing Deadline |
| Thursday, March 26, 2026 | Form 1099-MISC, K, INT, DIV, R, B, DA | Approve forms to be filed by Taxbit |
|
Tuesday, March 31, 2026 *30-day extension available |
Form 1099-MISC, K, INT, DIV, R, B, DA | Filing Deadline |
| Monday, May 25, 2026 | Form 5498 | Approve physical mail delivery |
| Monday, May 25, 2026 | Form 5498 | Approve forms to be filed by Taxbit |
| Monday, June 1, 2026 | Form 5498 | Filing Deadline |
MRDP Timeline
| Date | Form Type(s) | Requirement |
| Monday, January 26, 2026 | DAC7 (EU), Canada, UK, and New Zealand | Approve physical mail delivery |
|
Wednesday, January 28, 2026
|
DAC7 (EU), MRDP Canada, UK, and New Zealand, and SERR (H2) | Approve forms for XML generation |
| Saturday, January 31, 2026 | DAC7 (EU), MRDP Canada, and UK | Recipient Copy Delivery Deadline |
| Saturday, January 31, 2026 | DAC7 (EU), MRDP Canada, and UK, SERR (H2) | Filing Deadline |
| Sunday, February 7, 2026 | MRDP New Zealand | Recipient Copy Delivery Deadline |
| Sunday, February 7, 2026 | MRDP New Zealand | Filing Deadline |
| Friday, July 24, 2026 | SERR (H1-2026) | Approve XML generation |
| Friday, July 31, 2026 | SERR (H1-2026) | Filing Deadline |
For more information on IRS Forms 1099, please see the General Instructions for Certain Information Returns. In addition, note that if IRS Form 1099 deadlines fall on a Saturday, Sunday, or legal holiday, the due date is the next business day.
For more information on the TY2025 extension timelines, please refer to this guide: EXTENDED TY2025 Tax Season Timeline