April 1, 2026

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.

April

Day

10 Employees Who Work for Tips– If you received $20 or more in tips during March, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.

15 Corporations– File a 2025 calendar year income tax return (Form 1120) and pay any tax due. If you want an automatic 6-month extension of time to file the return, file Form 7004 and deposit what you estimate you owe in taxes. Deposit the first installment of estimated in-come tax for 2026.

15 Household Employers– If you paid cash wages of $2,800 or more in 2025 to a house-hold employee, you must file Schedule H (Form 1040), Household Employment Taxes. If you’re required to file a federal income tax return (Form 1040 or Form 1040-SR), file Schedule H (Form 1040) with the return and report any household employment taxes. Re-port any federal unemployment (FUTA) tax on Schedule H (Form 1040) if you paid total cash wages of $1,000 or more in any calendar quarter of 2024 or 2025 to household employees. Also, report any income tax you withheld for your household employees. For more information, see Pub. 926.

15 Individuals– File a 2025 Form 1040 or Form 1040-SR and pay any tax due. If you want an automatic 6-month extension of time to file the return, file Form 4868 and pay what you estimate you owe in tax to avoid penalties and interest. For more information, see Form 4868. Then, file Form 1040 or Form 1040-SR by October 15. If you’re not paying your 2026 income tax through withholding (or won’t pay in enough tax during the year that way), pay the first installment of your 2026 estimated tax. See Form 1040-ES for more information, including how to make estimated tax payments electronically. Also, see Pub. 505.

May

Day

11 Employees Who Work for Tips– If you received $20 or more in tips during April, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.

June

Day

10 Employees Who Work for Tips– If you received $20 or more in tips during May, report them to your employer. See Pub. 531 for more information on how to report tips to your employer.

15 Corporations– Deposit the second installment of estimated income tax for 2026.

15 Individuals– Make a payment of your 2026 estimated tax if you’re not paying your income tax for the year through withholding (or won’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 second installment date for estimated tax in 2026. Also, see Pub. 505.

15 Individuals– If you’re a U.S. citizen or resident alien living and working (or on military duty) outside the United States and Puerto Rico, file Form 1040 or Form 1040-SR and pay any tax, interest, and penalties due. Otherwise, see Individuals under April 15, earlier. If you want additional time to file your return, file Form 4868 to obtain 4 additional months to file and pay what you estimate you owe in tax to avoid penalties and interest. Then, file Form 1040 or Form 1040-SR by October 15. However, if you’re a participant in a combat zone, you may be able to further extend the filing deadline. See Pub. 3, Armed Forces’ Tax Guide.