Read the information below to find out when your tax return is due. If the due date falls on a weekend or legal holiday, the due date is extended to the next business day.
Monthly Quarterly Annual
Monthly due dates
January return
- Due date: 02/25/18
- 9% penalty begins: 02/27/18
- 19% penalty begins: 04/03/18
- 29% penalty begins: 05/01/18
February return
- Due date:
03/25/18 extended to 04/05/18
- 9% penalty begins:
03/27/18 extended to 04/06/18
- 19% penalty begins:
05/01/18 extended to 06/01/18
- 29% penalty begins:
06/01/18 extended to 07/03/18
March return
- Due date: 04/25/18
- 9% penalty begins: 04/26/18
- 19% penalty begins: 06/01/18
- 29% penalty begins: 07/03/18
April return
- Due date: 05/25/18
- 9% penalty begins: 05/26/18
- 19% penalty begins: 07/03/18
- 29% penalty begins: 08/01/18
May return
- Due date: 06/25/18
- 9% penalty begins: 06/26/18
- 19% penalty begins: 08/01/18
- 29% penalty begins: 09/01/18
June return
- Due date: 07/25/18
- 9% penalty begins: 07/26/18
- 19% penalty begins: 09/01/18
- 29% penalty begins: 10/02/18
July return
- Due date: 08/25/18
- 9% penalty begins: 08/28/18
- 19% penalty begins: 10/02/18
- 29% penalty begins: 11/01/18
August return
- Due date: 09/25/18
- 9% penalty begins: 09/26/18
- 19% penalty begins: 11/01/18
- 29% penalty begins: 12/01/18
September return
- Due date: 10/25/18
- 9% penalty begins: 10/26/18
- 19% penalty begins: 12/01/18
- 29% penalty begins: 01/01/19
October return
- Due date: 11/25/18
- 9% penalty begins: 11/27/18
- 19% penalty begins: 01/01/19
- 29% penalty begins: 02/01/19
November return
- Due date: 12/25/18
- 9% penalty begins: 12/27/18
- 19% penalty begins: 02/01/19
- 29% penalty begins: 03/01/19
December return
- Due date: 01/25/19
- 9% penalty begins: 01/26/19
- 19% penalty begins: 03/01/19
- 29% penalty begins: 04/02/19
Quarter 1 return
- Due date:
04/30/18 extended to 05/08/18
- 9% penalty begins:
05/01/18 extended to 05/09/2018
- 19% penalty begins:
06/01/18 extended to 07/03/2018
- 29% penalty begins:
07/03/18 extended to 08/01/2018
Quarter 2 return
- Due date: 07/31/18
- 9% penalty begins: 08/01/18
- 19% penalty begins: 09/01/18
- 29% penalty begins: 10/02/18
Quarter 3 return
- Due date: 10/31/18
- 9% penalty begins: 11/01/18
- 19% penalty begins: 12/01/18
- 29% penalty begins: 01/01/19
Quarter 4 return
- Due date: 01/31/19
- 9% penalty begins: 02/01/19
- 19% penalty begins: 03/01/19
- 29% penalty begins: 04/02/19
Annual due date
Note: Annual due dates are listed below for the Combined Excise Tax Return, Business & Occupation Activities Return, and Retailing & Other Activities Return.
- Due date: 01/31/19
- 9% penalty begins: 02/01/19
- 19% penalty begins: 03/01/19
- 29% penalty begins: 04/02/19