-
January 15 - 4th quarter estimated tax must be
paid to avoid late penalty
-
January 31 - IRS plans to begin processing returns
-
January 31 - W-2s & 1099s must be mailed to
recipients
-
February 28 - 1096s & 1099s must be mailed to the
IRS (if not e-filing)
-
March 17 - Corporations (C & S Corps) must file
returns or extensions
-
March 17 - Amended 2010 corporate returns must be
mailed to claim a refund
-
April 15 - Individual returns must be filed or
extended
-
April 15 - Partnership returns must be filed or
extended
-
April 15 - Estate & Trust returns must be filed or
extended
-
April 15 - Amended 2010 individual, estate or
trust returns must be mailed to claim refund
-
April 15 - 1st quarter estimated tax payments due
-
May 15 - Nonprofit returns must be filed or
extended
-
June 16 - 2nd quarter estimated tax payments due
-
September 15 - Extended corporations, partnership,
estates & trust returns due
-
September 15 - 3rd quarter estimated tax payments
due
-
October 15 - Extended individual returns due
-
December 31 - Start planning to do it all over
again