The W-2 filing deadline for tax year 2025 is February 2, 2026, not January 31. The statutory date falls on a Saturday this year, so the effective deadline moves to the next business day. Set a reminder for the correct date.
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For tax year 2025 filings. Dates already adjusted for the weekend shift.
| Obligation | Statutory date | Effective 2026 deadline |
|---|---|---|
| Furnish W-2 to employees Copies B, C, and 2 | January 31, 2026 (Sat) | Monday, February 2, 2026 |
| File W-2 with SSA Copy A — paper or electronic | January 31, 2026 (Sat) | Monday, February 2, 2026 |
| File W-3 transmittal Paper filers only | January 31, 2026 (Sat) | Monday, February 2, 2026 |
| Request extension (Form 8809) For SSA filing only | January 31, 2026 (Sat) | Monday, February 2, 2026 |
Source: IRS General Instructions for Forms W-2 and W-3 (2026) and SSA Employer W-2 Filing Instructions & Information.
January 31, 2026 is a Saturday. The IRS and SSA follow the standard weekend-and-holiday rule: when the due date for any return falls on a Saturday, Sunday, or federal holiday, the deadline shifts to the next business day. For tax year 2025 filings, that pushes every W-2 obligation to Monday, February 2, 2026.
This same rule affects 1099-NEC, which also has a January 31 deadline, and Form W-3 when you file on paper. The SSA explicitly references this rule in its Deadline Dates to File W-2s guidance.
The shift is a one-year quirk. In 2027 January 31 lands on a Sunday and the deadline is Monday, February 1. In 2028 it is a Monday and the deadline is simply January 31. If you are setting a recurring reminder to repeat every year, use January 31 as the base date — your reminder email arrives in advance, and the actual filing date tracks the weekday that year.
So you know when the shift happens again.
| Tax year filed | Statutory date | Day of week | Effective deadline |
|---|---|---|---|
| 2024 → filed in 2025 | Jan 31, 2025 | Friday | January 31, 2025 |
| 2025 → filed in 2026 | Jan 31, 2026 | Saturday | February 2, 2026 |
| 2026 → filed in 2027 | Jan 31, 2027 | Sunday | February 1, 2027 |
| 2027 → filed in 2028 | Jan 31, 2028 | Monday | January 31, 2028 |
For paper filings, the postmark rule applies. If you mail W-2 copies to employees via USPS on Monday, February 2, 2026, they are on time — even if they arrive a week later. Private delivery services (FedEx, UPS) require actual receipt by the deadline, not drop-off.
For electronic filings, submission through SSA Business Services Online must be complete by 11:59 PM local time on February 2, 2026. If you are a small business still filing on paper, the SSA must physically receive copy A by the deadline — paper filing does not use the postmark rule for the SSA side.
For 2026 specifically, set a reminder for Monday, February 2, 2026. You will get emails 7, 3, and 1 days before, which gets you through the final weekend of January with time to confirm SSNs, print or e-file W-2s, and mail employee copies.
For a recurring annual reminder that works every year, use the main W-2 filing reminder page — it sets January 31 as the base date and the advance emails land well before the weekend shift matters.
Monday, February 2, 2026, for both employee copies and the SSA copy. The statutory date is January 31, but January 31, 2026 falls on a Saturday, so the deadline shifts to the next business day.
IRS and SSA rules follow a standard weekend-and-holiday extension: when a filing due date falls on a Saturday, Sunday, or federal holiday, the deadline moves to the next business day. January 31, 2026 is a Saturday, so the effective deadline is Monday, February 2, 2026.
Yes. Both the deadline to furnish W-2 copies B, C, and 2 to employees and the deadline to file copy A with the Social Security Administration shift to Monday, February 2, 2026. The date is identical for paper and electronic filing.
Paper W-2s are on time if they are postmarked by February 2, 2026 (US mail) or received by the SSA by that date for private delivery services. Electronic filings through SSA Business Services Online must be submitted by 11:59 PM local time on February 2.
January 31, 2027 is a Sunday, so the deadline shifts to Monday, February 1, 2027. January 31, 2028 is a Monday, so the deadline is January 31, 2028 — no shift. The pattern resets each year depending on the weekday January 31 falls on.
You can still file on Friday, January 30 or earlier without issue — filing early is always fine. The risk is setting a reminder for January 31 and then assuming you have until end-of-day, when the SSA and IRS systems treat Saturday postmarks against the following business day. Update the calendar date to February 2.
February 2, 2026 is the real deadline this year. Set a reminder now so you don't file based on a calendar that still says January 31.
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