Skip to main content

Calendar

Upcoming Events & Dates

See the Department of Revenue calendar to find the latest events and dates. You can search by specific dates using the calendar widget or narrow your search by selecting a category filter above ↑.


Last Day to Submit ACH Debit Payments for Tax Return

| Friday, August 21, 2026


Basic Sales Tax Seminar - ONLINE

| Tuesday, September 01, 2026


Basic Contractor's Excise Tax Seminar - ONLINE

| Thursday, September 03, 2026


Tax Return Filing Due Date

| Monday, September 21, 2026


Last Day to Submit ACH Debit Payments for Tax Return

| Wednesday, September 23, 2026


Tax Return Filing Due Date

| Tuesday, October 20, 2026