Business Taxes

The following dates assume a December 31 year end

Due Date    

Form

Description                                   
Ext.
1/31

940

941

1096 & 1099

W-2


Employer's Annual Federal Unemployment (FUTA) Tax Return

Employer's Quarterly Federal Tax Return

Miscellaneous Income, Interest Income, etc.

Wage and Tax Statement due to employee



2/28W-3, W-2

Wage and Tax Statement due to Social Security Admin.



3/15

1065

1120-S


U.S. Partnership Income Tax Return

U.S. Return of Corporation Income



6 Month

6 Month


4/15

1041

​114

1120

U.S. Income Tax Return for Estates and Trusts

Fin CEN 

U.S. Return of Corporation Income (calendar year-end)


5.5 Month

6 Month

6 Month


4/30

941

N/A

Employer's Quarterly Federal Tax Return

King Country Personal Property Report


5/15990


Return of Organization Exempt from Income Tax

6 Month
7/31

941

5500-EZ


Employer's Quarterly Federal Tax Return

Annual Return of One-Participant Retirement Plan




2.5 Month

8/15990


Return of Organization Exempt from Income Tax (w/ext.)


 3 Month

w/reason)

9/15



9/30

1065

1120S


1041

U.S. Return of Partnership Income (with extension)

Corporation Income Tax Return (w/ ext.)


U.S. Income Tax Return for Estates and Trusts (w/ ext.)



10/15



1041

​1120

5500-EZ


U.S. Income Tax Return for Estates and Trusts (with extension)

U.S. Return of Corporation Income due (with extension)

Annual Return of One-Participant Retirement Plan (with extension)


10/31


941

          


Employer's Quarterly Federal Tax Return



11/15990

Return of Organization Exempt from Income Tax (with  extension)