February 2018

February 12
Employees - who work for tips. If you received $20 or more in tips during January, report them to your employer. You can use Form 4070.

Employers - Social Security, Medicare, and withheld income tax. File Form 941 for the fourth quarter of 2017. This due date applies only if you deposited the tax for the quarter in full and on time.

Employers - Federal unemployment tax. File Form 940 for 2017. This due date applies only if you deposited the tax for the year in full and on time.

Employers - Nonpayroll taxes. File Form 945 to report income tax withheld for 2017 on all nonpayroll items. This due date applies only if you deposited the tax for the year in full and on time.

Certain Small Employers - File Form 944 to report Social Security and Medicare taxes and withheld income tax for 2017. This tax due date applies only if you deposited the tax for the year in full and on time.

Farm Employers - File Form 943 to report Social Security and Medicare taxes and withheld income tax for 2017. This due date applies only if you deposited the tax for the year in full and on time.

February 15
Businesses - Give annual information statements to recipients of certain payments made during 2017. You can use the appropriate version of Form 1099 or other information return.

Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in January.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in January.

February 16
Employers - Begin withholding income tax from the pay of any employee who claimed exemption from withholding in 2017, but did not give you a new Form W-4 to continue the exemption this year.

February 28
Individuals - If you claimed exemption from income tax withholding last year on the Form W-4 you gave your employer, you must file a new Form W-4 by this date to continue your exemption for another year.

Payers of Gambling Winnings - File Form 1096, Annual Summary and Transmittal of U.S. Information Returns, along with Copy A of all the Forms W-2G you issued for 2017. If you file Forms W-2G electronically, your due date for filing them with the IRS will be extended to April 2. The due date for giving the recipient these forms remains January 31.

Large Food and Beverage Establishment Employers - with employees who work for tips. File Form 8027, Employer's Annual Information Return of Tip Income and Allocated Tips. Use Form 8027-T, Transmittal of Employer's Annual Information Return of Tip Income and Allocated Tips, to summarize and transmit Forms 8027 if you have more than one establishment. If you file Forms 8027 electronically your due date for filing them with the IRS will be extended to April 2.

Businesses - File information returns (for example, certain Forms 1099) for certain payments you made during 2017. These payments are described under January 31. However, Form 1099-MISC reporting nonemployee compensation must be filed by January 31. There are different forms for different types of payments. Use a separate Form 1096 to summarize and transmit the forms for each type of payment. See the General Instructions for Certain Information Returns for information on what payments are covered, how much the payment must be before a return is required, what form to use, and extensions of time to file.

If you file Forms 1097, 1098, 1099 (except a Form 1099-MISC reporting nonemployee compensation), 3921, 3922 or W-2G electronically, your due date for filing them with the IRS will be extended to April 2. The due date for giving the recipient these forms will still be January 31.

Health Coverage Reporting - If you are an Applicable Large Employer, file paper Forms 1094-C, Transmittal of Employer-Provided Health Insurance Offer and Coverage Information Returns, and 1095-C with the IRS. For all other providers of minimum essential coverage, file paper Forms 1094-B, Transmittal of Health Coverage Information Returns, and 1095-B with the IRS. If you are filing any of these forms with the IRS electronically, your due date for filing them will be extended to April 2.

March 2018

March 1
Farmers and Fishermen - File your 2017 income tax return (Form 1040) and pay any tax due. However, you have until April 17 to file if you paid your 2017 estimated tax by January 16, 2018.

March 2
Health coverage reporting. - Insurers, self-insuring employers, other coverage providers, and applicable large employers provide Forms 1095-B or 1095-C to employees or covered individuals regarding the health care coverage offered to them. This is an automatic 30-day extension from the original due date of Jan. 31.

March 12
Employees who work for tips. - If you received $20 or more in tips during February, report them to your employer. You can use Form 4070.

March 15
Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in February.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in February.

Partnerships - File a 2017 calendar year income tax return (Form 1065). Provide each partner with a copy of their Schedule K-1 (form 1065-B) or substitute Schedule K-1. To request an automatic 6­month extension of time to file the return, file Form 7004. Then file the return and provide each partner with a copy of their final or amended (if required) Schedule K­1 (Form 1065) by September 17.

S Corporations - File a 2017 calendar year income tax return (Form 1120S) and pay any tax due. Provide each shareholder with a copy of Schedule K-1 (Form 1120S), Shareholder's Share of Income, Credits, Deductions, etc., or a substitute Schedule K-1. If you want an automatic 6-month extension of time to file the return, file Form 7004 and deposit what you estimate you owe.

Electing large partnerships - Provide each partner with a copy of Schedule K-1 (Form 1065-B), Partner's Share of Income (Loss) From an Electing Large Partnership. The due date applies even if the partnership requests an extension of time to file the Form 1065-B by filing Form 7004.

S corporation election - File Form 2553, Election by a Small Business Corporation, to choose to be treated as an S corporation beginning with calendar year 2018. If Form 2553 is filed late, S treatment will begin with calendar year 2019.

April 2018

April 2
Electronic Filing of Forms - File Forms 1097, 1098, 1099, 3921, 3922, and W-2G with the IRS. This due date applies only if you file electronically. Otherwise, see February 28. The due date for giving the recipient these forms generally remains January 31.

Electronic Filing of Form W-2G - File copies of all the Form W-2G (Certain Gambling Winnings) you issued for 2017. This due date applies only if you electronically file. Otherwise, see February 28. The due date for giving the recipient these forms remains January 31.

Electronic Filing of Forms 8027 - File copies of all the Forms 8027 you issued for 2017. This due date applies only if you electronically file. Otherwise, see February 28.

Electronic Filing of Forms 1094-C and 1095-C and Forms 1094-B and 1094-B - If you're an Applicable Large Employer, file electronic forms 1094-C and 1095-C with the IRS. For all other providers of essential minimum coverage, file electronic Forms 1094-B and 1095-B with the IRS. Otherwise, see February 28.

April 10
Employees - who work for tips. If you received $20 or more in tips during March, report them to your employer. You can use Form 4070.

April 17
Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in March.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in March.

Individuals - File an income tax return for 2017 (Form 1040, 1040A, or 1040EZ) and pay any tax due. If you want an automatic 6-month extension of time to file the return, file Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. Then file Form 1040, 1040A, or 1040EZ by October 15.

Household Employers - If you paid cash wages of $2,000 or more in 2017 to a household employee, file Schedule H (Form 1040) with your income tax return and report any employment taxes. Report any federal unemployment (FUTA) tax on Schedule H (Form 1040) if you paid total cash wages of $1,000 or more in any calendar quarter of 2016 or 2017 to household employees.

Individuals - If you are not paying your 2018 income tax through withholding (or will not pay in enough tax during the year that way), pay the first installment of your 2018 estimated tax. Use Form 1040-ES.

Corporations - File a 2017 calendar year income tax return (Form 1120) and pay any tax due. If you want an automatic 6-month extension of time to file the return, file Form 7004 and deposit what you estimate you owe in taxes.

Corporations - Deposit the first installment of estimated income tax for 2018. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.

April 30
Employers - Federal unemployment tax. Deposit the tax owed through March if more than $500.

Employers - Social Security, Medicare, and withheld income tax. File Form 941 for the first quarter of 2018. Deposit any undeposited tax. 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 May 10 to file the return.

May 2018

May 10
Employees - who work for tips. If you received $20 or more in tips during April, report them to your employer. You can use Form 4070.

Employers - Social Security, Medicare, and withheld income tax. File Form 941 for the first quarter of 2018. This due date applies only if you deposited the tax for the quarter in full and on time.

May 15
Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in April.

Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in April.

June 2018

June 11
Employees - who work for tips. If you received $20 or more in tips during May, report them to your employer. You can use Form 4070.

June 15
Individuals - If you are a U.S. citizen or resident alien living and working (or on military duty) outside the United States and Puerto Rico, file Form 1040 and pay any tax, interest, and penalties due. Otherwise, see April 17. If you want additional time to file your return, file Form 4868 to obtain 4 additional months to file. Then file Form 1040 by October 15.

However, if you are a participant in a combat zone you may be able to further extend the filing deadline.

Individuals - Make a payment of your 2018 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the second installment date for estimated tax in 2018.

Corporations - Deposit the second installment of estimated income tax for 2018. A worksheet, Form 1120-W, is available to help you estimate your tax for the year.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in May.

Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in May.

July 2018

July 10
Employees - who work for tips. If you received $20 or more in tips during June, report them to your employer. You can use Form 4070.

July 16
Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in June.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in June.

July 31
Employers - Federal unemployment tax. Deposit the tax owed through June if more than $500.

Employers - If you maintain an employee benefit plan, such as a pension, profit sharing, or stock bonus plan, file Form 5500 or 5500-EZ for calendar year 2017. If you use a fiscal year as your plan year, file the form by the last day of the seventh month after the plan year ends.

Certain Small Employers - Deposit any undeposited tax if your tax liability is $2,500 or more for 2018 but less than $2,500 for the second quarter.

Employers - Social Security, Medicare, and withheld income tax. File Form 941 for the second quarter of 2018. Deposit any undeposited tax. (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 August 10 to file the return.

August 2018

August 10
Employees - who work for tips. If you received $20 or more in tips during July, report them to your employer. You can use Form 4070.

Employers - Social Security, Medicare, and withheld income tax. File Form 941 for the second quarter of 2018. This due date only applies if you deposited the tax for the quarter timely, properly, and in full.

August 15
Employer - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in July.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in July.

September 2018

September 10
Employees - who work for tips. If you received $20 or more in tips during August, report them to your employer. You can use Form 4070.

September 17
Individuals - Make a payment of your 2018 estimated tax if you are not paying your income tax for the year through withholding (or will not pay in enough tax that way). Use Form 1040-ES. This is the third installment date for estimated tax in 2018.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in August.

Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in August.

Electing Large Partnerships - File a 2017 calendar year income tax return (Form 1065-B) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension. Otherwise, see March 15. Provide each partner with a copy of Schedule K-1 (Form 1065-B) or a substitute Schedule K-1.

S Corporations - File a 2017 calendar year income tax return (Form 1120S) and pay any tax due. This due date applies only if you timely requested an automatic 6-month extension. Otherwise, see March 15. Provide each shareholder with a copy of Schedule K-1 (Form 1120S) or a substitute Schedule K-1.

Partnerships - File a 2017 calendar year return (Form 1065). This due date applies only if you were given an additional 6-month extension. Otherwise see March 15. Provide each partner with a copy of Schedule K1 (Form 1065) or a substitute Schedule K1.

Corporations - Deposit the third installment of estimated income tax for 2018. A worksheet, Form 1120-W, is available to help you make an estimate of your tax for the year.

October 2018

October 10
Employees - who work for tips. If you received $20 or more in tips during September, report them to your employer. You can use Form 4070.

October 15
Individuals - If you have an automatic 6-month extension to file your income tax return for 2017, file Form 1040, 1040A, or 1040EZ and pay any tax, interest, and penalties due.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in September.

Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in September.

Corporations - File a 2017 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 April 17.

October 31 Employers - Social Security, Medicare, and withheld income tax. File form 941 for the third quarter of 2018. Deposit any undeposited tax. (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 November 13 to file the return.

Certain Small Employers - Deposit any undeposited tax if your tax liability is $2,500 or more for 2018 but less than $2,500 for the third quarter.

Employers - Federal Unemployment Tax. Deposit the tax owed through September if more than $500.

November 2018

During November
Employers - Income tax withholding. Ask employees whose withholding allowances will be different in 2019 to fill out a new Form W-4. The 2019 revision of Form W-4 will be available on the IRS website by mid-December.

November 13 Employees - who work for tips. If you received $20 or more in tips during October, report them to your employer. You can use Form 4070.

Employers - Social Security, Medicare, and withheld income tax. File Form 941 for the third quarter of 2018. This due date only applies if you deposited the tax for the quarter timely, properly, and in full.

November 15 Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in October.

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in October.

December 2018

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.