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Official tax resources
Find the information you need.
Use these direct links to reach official federal and state resources. For advice specific to your return or business, contact SAT Accounting & Tax LLC.
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Federal deadlines
2026 Tax Due Dates
The main deadline for filing a 2025 federal individual income tax return is April 15, 2026. The dates below generally apply to calendar-year filers.
2026 filing dates
Federal Return Deadlines
Form 1099-NEC is due to recipients and the IRS for 2025 nonemployee compensation.
Most other 2025 Forms 1099 are due to the IRS when filed on paper.
Calendar-year S corporations and partnerships, including most multi-member LLCs, must file Forms 1120-S or 1065.
2025 federal returns are due for individuals, self-employed filers, most single-member LLCs, and calendar-year C corporations.
Estimated payments
2025–2026 Payment Dates
Final 2025 estimated tax payment
First 2026 estimated tax payment
Second 2026 estimated tax payment
Third 2026 estimated tax payment
Final 2026 estimated tax payment
Tax documents
Information Return Dates
Employers must provide 2025 Forms W-2 to employees and file them with the Social Security Administration.
Businesses must provide and file Form 1099-NEC for reportable 2025 payments to independent contractors.
Important: Extensions, fiscal-year returns, state and local filings, disaster relief, and certain specialized returns may have different deadlines. An extension to file generally does not extend the time to pay.
Stay informed
Tax News & Guidance
IRSOfficial source · IRS.gov
Federal updates
IRS Newsroom
Read current federal tax news, filing reminders, tax relief announcements, guidance, and IRS tax tips.