| December 11 |
Employees – who work for tips. If you received $20 or more in tips during November, report them to your employer. You can use Form 4070. |
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| December 15 |
Corporations – Deposit the fourth installment of estimated income tax for 2023. A worksheet, Form 1120-W, is available to help you estimate your tax for the year. |
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| December 15 |
Employers – Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in November. |
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| December 15 |
Employers – Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in November. |
