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Third Quarter -
Tax Calendar

There are deadlines and dates that you should know about. Use this calendar to help you avoid missing important deadlines. *Payments must be scheduled by 8pm ET at least one calendar day before the tax due date.*

July 2026

DateDescription
7/1/2026File Form 11-C to register and pay annual tax if you are in the business of taking wagers.
7/1/2026Deposit payroll tax for payments on June 24-26 if the semiweekly deposit rule applies.
7/6/2026Deposit payroll tax for payments on June 27-30 if the semiweekly deposit rule applies.
7/8/2026Deposit payroll tax for payments on July 1-3 if the semiweekly deposit rule applies.
7/8/2026Deposit payroll tax for payments on July 4-7 if the semiweekly deposit rule applies.
7/10/2026Employers: Employees are required to report to you tips of $20 or more earned during June.
7/15/2026Deposit payroll tax for payments on July 8-10 if the semiweekly deposit rule applies.
7/15/2026Social security, Medicare, and withheld income
tax: Deposit tax for payments made in June if the monthly deposit rule applies.
7/17/2026Deposit payroll tax for payments on July 11-14 if the semiweekly deposit rule applies.
7/22/2026Deposit payroll tax for payments on July 15-17 if the semiweekly deposit rule applies.
7/24/2026Deposit payroll tax for payments on July 18-21 if the semiweekly deposit rule applies.
7/29/2026Deposit payroll tax for payments on July 22-24 if the semiweekly deposit rule applies.
7/31/2026Deposit payroll tax for payments on July 25-28 if the semiweekly deposit rule applies.
7/31/2026Deposit FUTA owed through June if more than $500.
7/31/2026File Form 5500, 5500-EZ, 5500-SF, 5558, or 8955-SSA for calendar year 2024 employee benefit plan. See Form 5500 Corner on IRS for information.
7/31/2026File Form 720 for the second quarter.
7/31/2026File Form 730 and pay the tax on wagers accepted during July.
7/31/2026File Form 2290 and pay the tax for vehicles first used during July.
7/31/2026File Form 941 for the second quarter.
7/31/2026Certain small employers: Deposit any undeposited tax if your tax liability is $2,500 or more for 2026 but less than $2,500 for the second quarter.

August 2026

DateDescription
8/5/2026Deposit payroll tax for payments on July 29-31 if the semiweekly deposit rule applies.
8/7/2026Deposit payroll tax for payments on August 1-4 if the semiweekly deposit rule applies.
8/10/2026File Form 941 for the second quarter if you timely deposited all required payments.
8/10/2026Employers: Employees are required to report to you tips of $20 or more earned during July.
8/12/2026Deposit payroll tax for payments on August 5-7 if the semiweekly deposit rule applies.
8/14/2026Deposit payroll tax for payments on August 8-11 if the semiweekly deposit rule applies.
8/15/2026File Form 8038, 8038-B, 8038-G, 8038-TC for bonds issued in April/May/June 2026
8/17/2026Social security, Medicare, and withheld income
tax: Deposit tax for payments made in July if the monthly deposit rule applies.
8/19/2026Deposit payroll tax for payments on August 12-14 if the semiweekly deposit rule applies.
8/21/2026Deposit payroll tax for payments on August 15-18 if the semiweekly deposit rule applies.
8/26/2026Deposit payroll tax for payments on August 19-21 if the semiweekly deposit rule applies.
8/28/2026Deposit payroll tax for payments on August 22-25 if the semiweekly deposit rule applies.
8/31/2026File Form 730 and pay tax on wagers accepted during July.
8/31/2026File Form 2290 and pay the tax for vehicles first used during July.

September 2026

DateDescription
9/2/2026Deposit payroll tax for payments on August 26-28 if the semiweekly deposit rule applies.
9/4/2026Deposit payroll tax for payments on August 29-Sep 1 if the semiweekly deposit rule applies.
9/10/2026Deposit payroll tax for payments on September 2-4 if the semiweekly deposit rule applies.
9/10/2026Employers: Employees are required to report to you tips of $20 or more earned during August.
9/11/2026Deposit payroll tax for payments on September 5-8 if the semiweekly deposit rule applies.
9/15/2026Social security, Medicare, and withheld income
tax: Deposit tax for payments made in June if the monthly deposit rule applies.
9/15/2026Corporations: File calendar year Form 1120S if you timely requested a 6-month extension.
9/15/2026Corporations: Deposit the third installment of your 2026 estimated tax – see Pub. 542 and EFTPS.
9/15/2026Partnerships: File calendar year Form 1065 if you timely requested a 6-month extension.
9/15/2026Individuals: Pay the third installment of your 2026 estimated tax – Use Form 1040-ES.
9/15/2026Tax Exempt Orgs:   Deposit Estimated Tax for 3rd quarter due on Unrelated Business Taxable Income for Tax-Exempt Organizations. Use Form 990-W to determine the amount of estimated tax payments required.
9/15/2026Withholding Agent:  File calendar year Form 1042 if you timely requested a 6-month extension.
9/15/2026Partnerships: File calendar year Form 8804 and Forms 8805 if you timely requested a 6-month extension.
9/15/2026Partnerships: File Form 8813 quarterly payment voucher and pay any tax due.
9/15/2026Foreign Trusts with a U.S. Owner: File calendar year Form 3520-A if you timely requested a 6-month extension.
9/16/2026Deposit payroll tax for payments on September 9-11 if the semiweekly deposit rule applies.
9/18/2026Deposit payroll tax for payments on September 12-15 if the semiweekly deposit rule applies.
9/23/2026Deposit payroll tax for payments on September 16-18 if the semiweekly deposit rule applies.
9/25/2026Deposit payroll tax for payments on September 19-22 if the semiweekly deposit rule applies.
9/30/2026Deposit payroll tax for payments on September 23-25 if the semiweekly deposit rule applies.
9/30/2026File Form 730 and pay tax on wagers accepted during August.
9/30/2026File Form 2290 and pay the tax for vehicles first used during August.