As 2025 comes to a close, employers need to get started gathering their data for year end tax reporting. With so many 2026 deadlines to keep track of, we made this guide to help you stay on top of them!
Basic information
When each calendar year, or tax year, ends, employers must ensure that they meet all requirements for filing. This can include submitting filings to the IRS and applicable states, sending out recipient copies, making any necessary corrections, and ensuring that they’ve done all this before the designated due dates.
Now that 2025 is almost over, employers will be expected to fulfill their IRS requirements and meet all 2026 deadlines for Form 1099, Form W-2, and ACA forms.
2026 Deadlines
We recommend getting started on your filings as early as possible. This ensures that you have enough time to collect all required information, complete the necessary forms, and verify accuracy of the information for typos and errors.
The filing season 2026 deadlines for tax year 2025 forms are as follows:
State Filing
These are just a handful of the federal IRS form deadlines. Verify with your state(s) for any state-specific requirements, due dates, and submission methods.
Many states participate in the Combined Federal/State Filing program for the submission of Forms 1099-B, DIV, G, INT, K, MISC, NEC, OID, PATR, and R. Check if your state participates on our CF/SF list.
Other Resources
We have many other resources to ensure that you stay in the know for the latest tax news. Take a look at our Essential Guides to master all of your filing requirements!
Be sure to stay on top of all of the deadlines throughout the year! Check them out here:
BoomTax, The Boom Post, and its affiliates do not provide tax, legal or accounting advice. This material has been prepared for informational purposes only, and is not intended to provide, and should not be relied on for, tax, legal or accounting advice. You should consult your own tax, legal and accounting advisors prior to engaging in any transaction.
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