1. First Quarter
2. Second Quarter
3. Third Quarter
4. Fourth Quarter
5. Notes and Helpful Links
6. Download Tax Dates Into Outlook Calendar

First Quarter Key Dates
 
First Quarter
Key Date What is Due
January 17 Final estimated tax payment for 2016 taxes is due.
January 31 W-2's are mailed out by employer's to all employee's who earned wages in 2016 and 1099's are sent to employees that earned more than $600 in 2016. Also, all businesses must file information returns with the IRS & state for payments made during 2016. These include all W-2 & W-3 forms, 1099 forms, and 1096 forms.
March 17 All calendar year Partnerships and S Corporations must file their 2016 income tax return (Form 1065 or 1120S) and pay any tax due. Partnerships & S Corporations must also provide each shareholder with a copy of Schedule K-1, Shareholder's Share of Income, Deductions, Credits, 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.

File Form 2553, Election by a Small Business Corporation, to choose to be treated as an S corporation beginning with calendar year 2017. If Form 2553 is filed late, S treatment will begin with calendar year 2018.
 
Second Quarter Key Dates
 
Second Quarter
Key Date What is Due
April 18 All individuals must file a 2016 income tax return (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. If you file an extension, that is only an extension of time to file your return. You still must pay any tax due by this date.

All C-Corps must file a 2016 income tax return (Form 1120) and pay any tax due. If you want an automatic 5-month extension of time to file the return, file Form 7004.

The first installment of the 2017 estimated tax is due.
June 15 The second installment of the 2017 estimated tax is due.
 
Third Quarter Key Dates
 
Third Quarter
Key Date What is Due
August 15 Minnesota Property Tax Refund Returns are due.
September 15 C Corporation's that filed for an automatic 5-month extension of filing on April 15th must file their 2016 income tax return (Form 1120).

S Corporation's that filed for an automatic 6-month extension of filing on March 15th must file their 2016 income tax return (Form 1120S).

Partnership's that filed for an automatic 6-month extension of filing on March 15th must file their 2016 income tax return (Form 1065).

The third installment of the 2017 estimated tax is due.
 
Fourth Quarter Key Dates
 
Fourth Quarter
Key Date What is Due
October 15 Individual's who filed for an additional 6-month extension of filing their 2016 income tax return on April 18th must file a 2016 income tax return (Form 1040, 1040A, or 1040EZ)) and pay any tax, interest, and penalties due.
December 15 Corporations must deposit the fourth installment of estimated income tax for 2017.
 
Important Notes and Links
 
Notes and Links
NOTE: For a more detailed 2017 tax calendar, view Publication 509 on the IRS web site.
For Federal Tax Issues/Questions, visit the IRS web page
For Minnesota Tax Issues/Questions, visit the MN Department of Revenue web page
For Wisconsin Tax Issues/Questions, visit the WI Department of Revenue web page
 
Download Tax Dates Into Outlook Calendar
 
2017 Outlook Calendar Import File
For Individuals and Businesses with Employees, click here to download and import key tax dates into your Microsoft Outlook Calendar.
For Individuals and Businesses without Employees, click here to download and import key tax dates into your Microsoft Outlook Calendar.
Download Instructions:
1. Click "Save" in the pop-up box; save it to the Desktop (or other location of your choice) on your computer
2. In Outlook, Click “File”
Click “Import and Export”
Select "Import from Another Program or File", Click “Next”
Select "Comma Separated Values (Windows)", Click “Next”
Select the browse button to find the file you saved on your Desktop (or other location you selected)
Click the radio button for "Do Not Import Duplicate Items", Click “Next”
Select the destination folder where you want the dates imported; select either "Calendar" or "Tasks" depending upon which place in Outlook that you want the dates
Click the "Map Custom Fields" button
Click the “Default Map” button on the right side of the “To” panel to disable the reminder. To enable the reminder, drag the “Reminder on/off” on the left side of the “From” panel to the corresponding value on the right side of “To” panel
Click “OK” to close the “Map Custom Fields” pop-up window
Click “Finish”
3. To delete dates from your calendar:
To delete an individual entry:
Click on the mode to the see the entire month at once
Right-click on the entry you wish to delete
Select “Delete” from the menu
To delete multiple entries:
Click on the mode to the see the entire month at once. (Note: You can only delete entries one month at a time. You will need to repeat this process for each month that contains entries you wish to delete)
Hold down the Shift key and click on each of the entries to be deleted
Right-click on any of the highlighted items
Select “Delete” from the menu