eFile & Pay
| PERIOD END | DUE DATE | PERIOD END | DUE DATE |
|---|---|---|---|
| January 31 | February 28 | July 31 | August 31 |
| February 29 | March 31 | August 31 | September 30 |
| March 31 | April 30 | September 30 | October 31 |
| April 30 | May 31 | October 31 | November 30 |
| May 31 | June 30 | November 30 | December 31 |
| June 30 | July 31 | December 31 | January 31 |