October
| Day | |
|---|---|
| 12 | Employees Who Work for Tips – If you received $20 or more in tips during September, you must report them to your employer (employees are required to keep a daily record of tips). All tips must be reported on your individual income tax return. You can use Form 4070. |
| 15 | Corporations – File a 2020 calendar year income tax return (Form 1120) and pay any tax, interest, and penalties due. This due date applies only if you timely requested an automatic 6-month extension. Otherwise, see Corporations under April 15, earlier. |
| 15 | Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments made in September. |
| 15 | Employers – Social security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments made in September. |
| 15 | Individuals – If you have an automatic 6-month extension to file your income tax return for 2020, file Form 1040 or Form 1040-SR and pay any tax, interest, and penalties due. |
November
| Day | |
|---|---|
| 01 | Certain Small Employers – Certain small employers. Deposit any undeposited tax if your tax liability is $2,500 or more for 2021 but less than $2,500 for the third quarter. |
| 01 | Employers – Federal unemployment tax. Deposit the tax owed through September if more than $500. |
| 01 | Employers – Social security, Medicare, and withheld income tax. File Form 941 for the third quarter of 2021. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until November 10 to file the return |
| 10 | Employees Who Work for Tips – If you received $20 or more in tips during October, you must report them to your employer (employees are required to keep a daily record of tips). All tips must be reported on your individual income tax return. You can use Form 4070. |
| 10 | Employers – Social security, Medicare, and withheld income tax. File Form 941 for the third quarter of 2021. This due date applies only if you deposited the tax for the quarter timely, properly, and in full. |
| 15 | Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments made in October. |
| 15 | Employers – Social security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments made in October. |
December
| Day | |
|---|---|
| 10 | Employees Who Work for Tips – If you received $20 or more in tips during November, you must report them to your employer (employees are required to keep a daily record of tips). All tips must be reported on your individual income tax return. You can use Form 4070. |
| 15 | Corporations – Deposit the fourth installment of estimated income tax for 2021. A worksheet, Form 1120-W, is available to help you estimate your tax for the year. |
| 15 | Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments made in November. |
| 15 | Employers – Social security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments made in November. |