Tax Due Dates

• 1/31 - 4th Quarter quarterly payroll tax returns

• 1/31 - Annual payroll tax forms (Form 940, W-2, W-3, etc)

• 3/15 - S Corporation tax returns (1120S)

• 3/15 - Partnership tax returns (1065)

• 4/15 - Individual tax returns (1040)

• 4/15 - C Corporation tax returns (1120)

• 4/15 - IRA contribution is due

• 4/15 - 1st quarter estimated tax payment

• 4/30 - 1st Quarter quarterly payroll tax returns

• 6/15 - 2nd quarter estimated tax payment

• 7/31 - 2nd Quarter quarterly payroll tax returns

• 9/16 - 3rd quarter estimated tax payment

• 9/16 - S Corporation (1120) and Partnership (1065) tax returns that were put on extension
   
• 10/15 - C Coproration (1120) and Individual tax returns (1040) that were put on extension

• 10/31 - 3rd Quarter quarterly payroll tax returns 

• 1/15 - 4th quarter estimated tax payment