TAX DUE DATES
December 10
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.
December 17
Corporations - Deposit the fourth installment of estimated income tax for 2018. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.
Employers Social Security, Medicare, and withheld income tax - If the monthly deposit rule applies, deposit the tax for payments in November.
Employers Nonpayroll withholding - If the monthly deposit rule applies, deposit the tax for payments in November.
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