September 2010
15. Corporation and Partnership Income Tax Return Extension Deadline (for 2009 Calendar Year Tax Returns)
15. Federal and Michigan Estimated Tax Payment Due (3rd Quarter 2010)
15. Federal Corporate Estimated Tax Payment Due (3rd Quarter 2010)
October 2010
15. Federal and Michigan Individual Income Tax Return Extension Deadline
15. Michigan Business Tax (MBT) Estimate Due (3rd Quarter 2010)
December 2010
31. Deadline to pay Michigan Estimated Tax Payments and receive maximum tax benefit (4th Quarter 2010)
31. Michigan Business Tax (MBT) Return Extension Deadline (for 2009 Calendar Year Tax Returns)
January 2011
17. Federal and Michigan Individual Estimated Tax Payment Due (4th Quarter 2010)
17. Michigan Business Tax (MBT) Estimated Tax Payment Due (4th Quarter 2010)
February 2011
1. All Businesses Issue W-2s, 1099s, etc...)
15. Farmers and Fishermen 2009 Estimated Tax payment in full deadline (or else pay and file by March 1)
March 2011
1. All Businesses file 1096s for 1099s.
15. Corporation Income Tax Returns Due (for 2009 Calendar Year Tax Returns)
15. Farmers and Fishermen file and pay 2009 Individual Tax Return Due(if they did not already pay in full by January 15)
April 2011
15. 2010 Federal and Michigan Individual and Partnership Income Tax Returns Due
15. Federal and Michigan Individual Estimated Tax Payment Due (1st Quarter 2011)
15. Federal Corporate Estimated Tax Payment Due (1st Quarter 2011)
15. Michigan Business Tax (MBT) Estimate Due (1st Quarter 2011)
15. Deadline for 2010 IRA Contributions
15. Farmers and Fishermen Tax Return Filing Deadline (if they have not already filed)
30. Michigan Business Tax (MBT) Return Due (for 2010 Calendar Year Tax Returns)
June 2011
15. Federal and Michigan Estimated Tax Payment Due (2nd Quarter 2011)
15. Federal Corporate Estimated Tax Payment Due (2nd Quarter 2011)
July 2011
15. Michigan Business Tax (MBT) Estimate Due (2nd Quarter 2011)