January 16

  • Individual taxpayers’ final 2017 estimated tax payment is due.

January 31

  • File 2017 Forms W-2 (“Wage and Tax Statement”) with the SSA and provide copies to your employees.
  • File 2017 Forms 1099-MISC (“Miscellaneous Income”) reporting nonemployee compensation payments in box 7 with the IRS and provide copies to recipients.
  • Most employers must file Form 941 (“Employer’s Quarterly Federal Tax Return”) to report Medicare, Social Security and income taxes withheld in the fourth quarter of 2017. 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 in full and on time, you have until February 12 to file the return.  Employers who have an estimated annual employment tax liability of $1,000 or less may be eligible to file Form 944 (“Employer’s Annual Federal Tax Return”).
  • File Form 940 (“Employer’s Annual Federal Unemployment
    [FUTA] tax return”) for 2017. If your undeposited tax is $500 or less, you can either pay it with your return or deposit it.  If it is more than $500, you must deposit it.  However, if you deposited the tax for the year in full and on time, you have until February 12 to file the return.
  • File Form 943 (“Employer’s Annual Federal Tax Return for Agricultural Employees”) to report Social Security, Medicare and withheld income taxes for 2017. 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 year in full and on time, you have until February 12 to file the return.
  • File Form 945 (“Annual Return of Withheld Federal Income Tax”) for 2016 to report income tax withheld on all nonpayroll items, including backup withholding and withholding on accounts such as pensions, annuities and IRAs. 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 year in full and on time, you have until February 12 to file the return.

February 28

  • File 2017 Forms 1099-MISC with the IRS.

March 15

  • 2017 tax returns must be filed or extended for calendar-year partnerships and S corporations. If the return is not extended, this is also the last day to make 2017 contributions to pension and profit-sharing plans.