Tax Deadlines
 

Legend:  I = Individual        B = Business no payroll        BP = Business with payroll

2011 Deadlines:  
BP
 8/1/11: File second quarter payroll taxes
I, B, BP
 9/15/11: Pay third 2011 income tax estimated payment (individuals or C-Corporations)
B, BP
9/15/11: Extension deadline for 2010 calendar year Corporation and Partnership income tax returns
I
 10/17/11: Extension deadline for 2010 calendar year Individual income tax returns
BP
 10/31/11: File third quarter payroll taxes
B, BP
 12/15/11: Pay fourth 2011 income tax estimated payment (C-Corporations only)
I, B, BP
 12/31/11: Deadline to make 2011 contributions to 401k (employee contribution), Simple IRA’s (employee contribution), 529 Tuition savings plans

2012 Deadlines:

  
I, B, BP 1/16/12: Pay fourth 2011 income tax estimated payment (individuals)
BP 1/31/12: File fourth quarter payroll taxes
B, BP 1/31/12: Mail 1099-Misc’s, 1099-Int’s, and 1099-Div’s to recipients
BP 1/31/12: Mail W-2’s to recipients
B,BP 2/29/12: Mail 1099-Misc’s, 1099-Int’s, and 1099-Div’s to IRS
BP 2/29/12:Mail W-2’s to Social Security Administration and applicable state department of revenue
B,BP 3/15/12: Deadline for 2011 calendar year Corporation income tax returns
B, BP 3/15/12:Deadline to fund 2011 Corporation SEP IRA, 401(k) employer match, and SIMPLE IRA employer match contributions (unless the tax return is extended)
I, B, BP 4/16/12: Deadline for 2011 calendar year Individual and Partnership income tax returns
I, B, BP 4/16/12: Deadline to fund 2011 Partnership or Sole Proprietor SEP IRA, 401(k) employer match, and SIMPLE IRA employer match contributions (unless the tax return is extended)
I 4/16/12: Deadline to fund 2011 Traditional or Roth IRA and Health Savings Account contributions
Non-profit 5/15/12: Deadline for 2011 calendar year Non-Profit tax return