2018 Q1 Tax Calendar: Key Deadlines for Businesses & Other Employers

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05 Dec 2018 Q1 Tax Calendar: Key Deadlines for Businesses & Other Employers

Here are key tax-related deadlines affecting businesses and other employers during the first quarter of 2018. Keep in mind that this list is not all-inclusive, so there may be additional deadlines that apply to you. Contact us to make sure you are meeting all applicable deadlines and to learn more about the filing requirements.

January 31

  • File 2017 Forms W-2, ‘Wage and Tax Statement,’ with the Social Security Administration and provide copies to your employees.
  • Provide copies of 2017 Forms 1099-MISC, ‘Miscellaneous Income,’ to recipients of income from your business where required.
  • File 2017 Forms 1099-MISC reporting non-employee compensation payments in Box 7 with the IRS.
  • 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 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 that 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 945, ‘Annual Return of Withheld Federal Income Tax,’ for 2017 to report income tax withheld on all non-payroll items, including backup withholding and withholding on accounts such as pensions, annuities, and individual retirement accounts. 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 if 1) they are not required to be filed earlier and 2) you are filing paper copies. (Otherwise, the filing deadline is April 2).

March 15

  • If a calendar-year partnership or S corporation, file or extend your 2017 tax return and pay any tax due. If the return is not extended, this also is the last day to make 2017 contributions to pension and profit-sharing plans.
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