| Date |
Event |
| 15-Jan-2006 |
- Final installment of 2005 estimated tax.
- Farmers and fishermen pay 2005 estimated tax in full.
|
| 1-Feb-2006 |
- Forms W-2 and 1099 should have been received by this date.
- Final 2005 return may be filed, rather than filing January 15 estimate.
|
| 1-Mar-2006 |
- Last day for farmers and fishermen to file 2005 returns instead of filing estimate on January 16.
|
| 15-Mar-2006 |
- Due date of calendar-year corporation returns.
|
| 15-Apr-2006 |
- Last day to establish and contribute to an IRA for 2005.
- Due date of 2005 income tax return.
- Payment of first installment of 2006 estimated tax.
|
| 15-Jun-2006 |
- Payment of second installment of 2006 estimated tax.
- Due date of income tax returns of citizens abroad and nonresident alien individuals not subject to withholding.
|
| 15-Aug-2006 |
- Last day to file income tax returns on automatic extension.
|
| 15-Sep-2006 |
- Payment of third installment of 2006 estimated tax.
|
| 15-Oct-2006 |
- Last day to file income tax returns on second extension.
|
| 31-Dec-2006 |
- Last day to establish a Keogh (H.R. 10) plan for 2006.
|
