Unemployment Insurance Agency (UIA):  The due date for each quarter, which is the 25th day of the month following the end of the calendar quarter. Tax and Wage reports are due by these dates to be considered timely. 1st Quarter due by April 25th, 2nd Quarter due by July 25th, 3rd Quarter due by October 25th, 4th Quarter due by January 25th.

Sales, Use, Withholding Tax:  The due date for each quarter, which is the 15th day of the month following the end of the calendar quarter. Reports are due by these dates to be considered timely. 1st Quarter due by April 15th, 2nd Quarter due by July 15th, 3rd Quarter due by October 15th, 4th Quarter due by January 15th.

Motor Carrier & Motor Fuel Tax:  Click here for due dates.