

Staying ahead of important tax deadlines helps ensure smooth operations and avoid unnecessary penalties. Each month, we highlight key due dates so you know exactly what’s coming up and can plan accordingly. Be sure to review the items below and reach out if you have any questions or need assistance with compliance.
December
Day
10 Employees Who Work for Tips – If you received $20 or more in tips during October, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.
15 Corporations – Deposit the fourth installment of estimated income tax for 2025.
2026
January
Day
12 Employees Who Work for Tips– If you received $20 or more in tips during December, report them to your employer. See Pub. 531, Reporting Tip Income, for more information on how to report tips to your employer.
12 Employees Who Work for Tips– If you received $20 or more in tips during December, report them to your employer. See Pub. 531, Reporting Tip Income, for more information on how to report tips to your employer.
15 Farmers and Fishermen– Pay your estimated tax for 2025. See Form 1040-ES for more information, including how to make estimated tax payments electronically. You have until April 15 to file your 2025 income tax return (Form 1040 or Form 1040-SR). If you don’t pay your estimated tax by January 15, you must file your 2025 return and pay all tax due by March 2, 2026, to avoid an estimated tax penalty.
15 Individuals– Make a payment of your estimated tax for 2025 if you didn’t pay your income tax for the year through withholding (or didn’t pay in enough tax that way). See Form 1040-ES for more information, including how to make estimated tax payments electronically. This is the final installment date for 2025 estimated tax payments. However, you don’t have to make this payment if you file your 2025 return (Form 1040 or Form 1040-SR) and pay all tax due by February 2, 2026.
15 Farmers and Fishermen– Pay your estimated tax for 2025. See Form 1040-ES for more information, including how to make estimated tax payments electronically. You have until April 15 to file your 2025 income tax return (Form 1040 or Form 1040-SR). If you don’t pay your estimated tax by January 15, you must file your 2025 return and pay all tax due by March 2, 2026, to avoid an estimated tax penalty.
15 Individuals– Make a payment of your estimated tax for 2025 if you didn’t pay your income tax for the year through withholding (or didn’t pay in enough tax that way). See Form 1040-ES for more information, including how to make estimated tax payments electronically. This is the final installment date for 2025 estimated tax payments. However, you don’t have to make this payment if you file your 2025 return (Form 1040 or Form 1040-SR) and pay all tax due by February 2, 2026.
February
Day
2 Payers of Nonemployee Compensation– File Form 1099-NEC for nonemployee compensation paid in 2025.
2 Businesses– Give annual information statements to recipients of certain payments you made during 2025. You can use the appropriate version of Form 1099 or other information return. Form 1099 can be issued electronically with the consent of the recipient. Payments that may be covered include the following.
Cash payments for fish (or other aquatic life) purchased from anyone engaged in the trade or business of catching fish.
Compensation for workers who aren’t considered employees (including fishing boat proceeds to crew members).
Dividends and other corporate distributions.
Interest.
Rent.
Royalties.
Payments of Indian gaming profits to tribal members.
Profit-sharing distributions.
Retirement plan distributions.
Original issue discount.
Prizes and awards.
Medical and health care payments.
Debt cancellation (treated as payment to debtor).
Cash payments over $10,000.
See the Instructions for Form 8300. See theGeneral Instructions for Certain Information Returnsfor information on what payments are covered, how much the payment must be before a statement is required, which form to use, when to file, and extensions of time to provide statements to the IRS. Form 1099-B, Proceeds From Broker and Barter Exchange Transactions; Form 1099-S, Proceeds From Real Estate Transactions; and certain reporting on Form 1099-MISC, Miscellaneous Information, are due to recipients by February 17.
2 Individuals who must make estimated tax payments– If you didn’t pay your last installment of estimated tax by January 15, you may choose (but aren’t required) to file your income tax return (Form 1040 or Form 1040-SR) for 2025 by February 2. Filing your return and paying all tax due by February 2 prevents any penalty for late payment of the last installment. If you can’t file and pay your tax by February 2, file and pay your tax by April 15.
10 Employees Who Work for Tips– If you received $20 or more in tips during January, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.
17 Businesses– Give annual information statements to recipients of certain payments you made during 2025. You can use the appropriate version of Form 1099 or other information return. Form 1099 can be issued electronically with the consent of the recipient. This due date applies only to the following types of payments.
All payments reported on Form 1099-B.
All payments reported on Form 1099-S.
Substitute payments reported in box 8 or gross proceeds paid to an attorney reported in box 10 of Form 1099-MISC.
10 Individuals– If you claimed exemption from income tax withholding last year on the Form W-4 you gave your employer, you must file a new Form W-4 by this date to continue your exemption for another year.
