Tax Deadlines
Individual Tax Return / Single Member LLC
| Due Date | April 15 |
| Extension | October 15 |
| Taxpayers Abroad | June 15 |
Partnership Tax Return / Multi - Member LLC
| Due Date | April 15 |
| Extension | October 15 |
Corporation Tax Return (Calendar Year)
| Due Date | March15 |
| Extension | September 15 |
Estimated tax / Quarterly tax
| 1st Quarter | April 15 |
| 2nd Quarter | June 15 |
| 3rd Quarter | September 15 |
| 4th Quarter | January 15
(of following year) |
New York Sales Tax (Quarterly filers)
| December, January, February | March 20 |
| March, April, May | June 20 |
| June, July, August | September 20 |
| September, October, November | December 20 |
New York Sales Tax (Annual filers)
| March (previous year) - February (current year) | March 20 |
