| March 2005 |
| 15th |
Due date for calendar-year corporate income tax returns. |
| April 2005 |
| 15th |
Due date for personal income tax return or for filing the first extension. |
| 15th |
First quarter individual income tax estimate. |
| June 2005 |
| 15th |
Second quarter individual income tax estimate. |
| August 2005 |
| 15th |
Due date for filing individual income tax returns under first extension
or for filing a second extension. |
| September
2005 |
| 15th |
Third quarter individual income tax estimate. |
| 15th |
Due date for filing calendar-year corporate income tax returns under
extension. |
| October
2005 |
| 17th |
Due date for filing individual tax return under second extension. |
| January 2006
|
| 17th |
Fourth quarter individual income tax estimate. |
