For tax year 2026, the deadline that governs your whole season is the 1099-NEC, because the IRS e-file date and the recipient-copy date fall on the same day — and that day, January 31, 2027, is a Sunday, so it shifts to Monday, February 1, 2027. Most other 1099-series forms give you more room: recipient copies are generally due January 31 (February 1 this year), while electronic filing with the IRS runs to March 31, 2027. The 5498 series is the late outlier, due at the end of May. Below is the complete form-by-form calendar, every weekend and federal-holiday shift already calculated, so you can count backward from the date that actually binds you. If your deadline won't wait, a provider that already holds an IRIS Transmitter Control Code can file on your behalf without the multi-week setup.
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The Deadline That Comes First — and Reframes Your Whole January
Most filers think of "the 1099 deadline" as a single date in the spring. It isn't. The 1099 series has two clocks running at once, and for tax year 2026 the earlier of the two is the one that quietly decides how stressful your January becomes.
The first clock is the recipient-copy deadline — the date by which the people and businesses you paid must have their Copy B in hand. The second is the IRS filing deadline — the date by which the return itself must reach the IRS electronically. For most of the 1099 series these two clocks are weeks apart, which gives you a comfortable buffer. The 1099-NEC is the exception that catches filers out year after year, because both of its clocks strike on the same day: January 31.
That single overlap is why the 1099-NEC sets the tone for the entire season. There is no slack between getting copies to your contractors and getting the return to the IRS — you have to do both at once. And in tax year 2026 the calendar tightens the screw further, because January 31, 2027 falls on a Sunday. Under the IRS weekend-and-holiday rule, any due date that lands on a Saturday, Sunday, or federal holiday rolls forward to the next business day, so the true 1099-NEC deadline for this season is Monday, February 1, 2027.
Because the 1099-NEC e-file date and the recipient-copy date are the same day, you cannot treat IRS submission as a task you do later. Plan your data collection, TIN verification, and review so that everything is finished before February 1, 2027 — not started that morning. The forms with a March 31 IRS date are far more forgiving; the NEC is not.
The Full Tax-Year-2026 Calendar, Form by Form
The table below gives the two deadlines for each common 1099-series form for tax year 2026, with every weekend and federal-holiday shift already applied. Two shifts matter this year and are easy to miss: January 31, 2027 is a Sunday, so every January 31 date moves to Monday, February 1; and February 15, 2027 is Presidents' Day, a federal holiday, so the forms whose recipient copies are normally due February 15 move to Tuesday, February 16. The March 31 e-file date is unaffected because March 31, 2027 falls on a Wednesday.
| Form | Recipient copy due (TY2026) | IRS e-file due (TY2026) |
|---|---|---|
| 1099-NEC | Mon, Feb 1, 2027 | Mon, Feb 1, 2027 |
| 1099-MISC (most boxes) | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 1099-MISC (boxes 8 & 10) | Tue, Feb 16, 2027 | Wed, Mar 31, 2027 |
| 1099-K | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 1099-DIV | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 1099-INT | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 1099-OID | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 1099-B | Tue, Feb 16, 2027 | Wed, Mar 31, 2027 |
| 1099-R | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 1099-S | Tue, Feb 16, 2027 | Wed, Mar 31, 2027 |
| 1099-G | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| W-2G | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 1098 / 1098-E / 1098-T | Mon, Feb 1, 2027 | Wed, Mar 31, 2027 |
| 5498 series | Tue, Jun 1, 2027 | Tue, Jun 1, 2027 |
A few rows reward a second look. The 1099-MISC splits into two recipient-copy dates: most boxes follow the February 1 deadline, but box 8 (substitute payments in lieu of dividends or interest) and box 10 (gross proceeds paid to an attorney) carry the later February-15 copy deadline, which becomes February 16 this year because of Presidents' Day. The 5498 series sits apart from everything else, with both its recipient and IRS dates at the end of May, normally May 31 but pushed to Tuesday, June 1, 2027 because May 31 is Memorial Day. Whatever date applies to you, the operating principle is the same: identify the earliest date that touches the forms you actually file, and build your timeline backward from it.
The weekend-and-holiday shift rule and the per-form due dates trace to the IRS General Instructions for Certain Information Returns and the IRIS specifications. The electronic-filing record layouts and the Combined Federal/State Filing program participant list are defined in IRS Publication 1220, and the IRIS Application-to-Application specification is IRS Publication 5717. See irs.gov/pub/irs-pdf/p5717.pdf and the IRS information-returns pages for the authoritative dates each tax year.
Why the Recipient Copy and the IRS Filing Are Two Separate Obligations
It is worth being precise about the two clocks, because missing either one carries its own penalty. The recipient-copy obligation under Internal Revenue Code §6722 requires that you furnish a correct Copy B to each payee by the applicable date. The filing obligation under §6721 requires that you get the return itself to the IRS by its date. These are independent: you can file flawlessly with the IRS and still be exposed if a recipient never received a copy, and you can deliver every copy on time and still be late with the government.
The delivery method changes how early you have to move on the copy clock. The IRS treats paper as the default delivery method unless a recipient has affirmatively consented to electronic delivery, and physical mail takes days to arrive. That means the recipient-copy date is effectively earlier than it looks if you mail paper: a copy postmarked on the deadline still has to leave your hands well before midnight. Electronic delivery to recipients who have consented removes most of that lead time, but the consent has to be on file first.
There is one more date that reframes tax year 2026: the legacy FIRE system is being retired, with the IRS having set December 31, 2026 as the end of the road for FIRE. Practically, that means the 2027 filing season is the first in which IRIS is the path most filers will use for the full 1099 series. If you have always filed through FIRE, the time to register for IRIS, obtain a Transmitter Control Code, and complete any required testing is now — not in late January, when the NEC clock is already running.
What an Extension Actually Buys You — and Where It Doesn't Apply
If you can see a deadline slipping away, the right move is almost never to file late and hope — it is to ask for more time before the original date passes. The instrument for that is Form 8809, the Application for Extension of Time to File Information Returns. For most information returns, a timely Form 8809 grants an automatic 30-day extension of the IRS filing deadline, provided you file it by the original due date.
Cause: filers assume the automatic 30-day Form 8809 extension covers every form, then discover the 1099-NEC is carved out — there is no automatic extension for it, only a narrow hardship request that the IRS must approve. Fix: treat February 1, 2027 as a hard wall for the NEC and do not build a plan that relies on an extension that doesn't exist for that form. Extensions also do not move the recipient-copy deadline; Form 8809 extends the IRS filing date, not the date your payees must receive Copy B.
Two limits are easy to overlook. First, even where the 30-day extension is automatic, it extends only the IRS filing clock — the recipient-copy clock keeps running on its original date, so an extension does nothing for the February 1 copy deadline. Second, the extension has to be requested by the original due date to count; a Form 8809 filed the day after the deadline is simply a late filing with extra paperwork.
Common Rejection Reasons (and How to Avoid Them)
Hitting the date is only half the job. A submission that reaches the IRS on time but gets rejected is not a timely filing — the clock keeps running until a clean return is accepted, and at the end of January there is no margin to discover and fix a reject. These are the failures that most often turn an on-time submission into a late one.
Cause: a return transmitted just before the deadline is rejected for a data or schema problem, and by the time the acknowledgement comes back the deadline has passed — so the return that counts was never accepted on time. Fix: submit days early, not on deadline day, and pre-validate before you transmit so a reject leaves you time to correct and resend. Treat the NEC's February 1 date as the date a clean, accepted return must exist, not the date you start.
Cause: the recipient's taxpayer identification number doesn't match IRS records for the name on the return, which can trigger a rejection and, after filing, a CP2100 notice and backup-withholding exposure. A single bad TIN replicated across many returns multiplies the §6721 penalty fast. Fix: verify recipient TINs against IRS records before filing rather than after a notice arrives, and keep a signed Form W-9 on file for every payee so you can support a reasonable-cause defense if a mismatch slips through.
Cause: the Combined Federal/State Filing indicator has to be present on a return's first accepted submission to route state data; adding it later does not retroactively send the state its copy, and a return submitted without it where it was required can be rejected against the shared-data rules. Fix: determine each recipient's state and set the CF/SF indicator correctly before the first transmission, using the current participating-state list defined for the program in IRS Publication 1220.
Cause: treating the 1099-MISC as having one recipient-copy date, when box 8 (substitute payments) and box 10 (attorney gross proceeds) carry the later February-16 copy deadline this year while the other boxes are due February 1. Filers either rush the wrong forms or, worse, miss the February 1 copies thinking they have until mid-February. Fix: split your 1099-MISC population by box and apply the right copy deadline to each, then file all of them with the IRS by the common March 31 date.
When the Date Is Close and the Setup Isn't Done
Down to days, with no TCC of your own?
e1099f already holds an IRIS Transmitter Control Code and is ATS-approved, so you can file the current season without standing up your own IRS integration first.
Never Track These Dates by Hand
Shift-aware calendar
Per-form deadlines are computed each tax year with weekend and federal-holiday shifts already applied — no naive date math.
Validated before deadline
Returns are checked against the IRS rules before transmission, so a reject doesn't turn an on-time filing into a late one.
Reminders that escalate
The filing window for each form surfaces ahead of time, so the February 1 NEC date never arrives as a surprise.
The date that binds you, surfaced early — for every form you file.
Frequently Asked Questions
When is the 1099-NEC due for tax year 2026?
What is the IRS e-file deadline for most other 1099 forms?
Why does the calendar say February 1 instead of January 31?
Are any recipient-copy dates not on February 1 this year?
When are 5498-series forms due?
Can I get an extension on the 1099-NEC?
Does Form 8809 also extend the recipient-copy deadline?
What's the penalty for filing a 1099 late?
Is a return that's rejected on the deadline considered filed on time?
Does the FIRE system retirement change my 2027 deadlines?
Does e1099f track these deadlines for me?
Not tax advice. This is general information about IRS filing deadlines and procedures, which the IRS may adjust each tax year; the published IRS instructions and publications are authoritative. Confirm the dates for your forms and consult a tax professional for your situation.