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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 ↑.


Tax Return Filing Due Date

| Thursday, August 20, 2026


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


Commission on Gaming - Quarterly Business Meeting 09-22-2026

| Tuesday, September 22, 2026

Deadwood City Hall
102 Sherman St. | Deadwood, South Dakota 57732