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    Find information about the South Dakota Commission on Gaming, laws, regulations and the seven types of gaming licenses issued to the general public.
    
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    See what other South Dakota taxpayers are asking the Department of Revenue.
    
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Businesses
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    See how DOR approaches reporting errors and omissions and correcting reporting habits for future returns.
    
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- Gaming
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    Find information on the South Dakota Commission on Gaming, applications, fees, annual reports, industry statistics and more.
    
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Government
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    In-depth content for South Dakota County Auditors on calculating growth percentage, CPI, Relief Programs, TIF and other property tax essentials.
    
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    South Dakota Directors of Equalization knowledge base for property tax exemptions, sales / ratio and growth definitions.
    
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- 605Drive - Electronic Title Project
  - 605Drive Project
    
    Get up-to-date information on the status of the 605Drive Project expected to launch in February 2025.
Forms / Resources

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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

12:00 PM – 12:00 PM | Friday, February 20, 2026

Last Day to Submit ACH Debit Payments for Tax Return

12:00 PM – 12:00 PM | Monday, February 23, 2026

Tax Return Filing Due Date

12:00 PM – 12:00 PM | Friday, March 20, 2026

Last Day to Submit ACH Debit Payments for Tax Return

12:00 PM – 12:00 PM | Monday, March 23, 2026

Tax Return Filing Due Date

12:00 PM – 12:00 PM | Monday, April 20, 2026

Last Day to Submit ACH Debit Payments for Tax Return

12:00 PM – 12:00 PM | Thursday, April 23, 2026

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