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South Dakota Sales Tax Guide for Businesses

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Do you have economic nexus in South Dakota?

Effective November 1, 2018, South Dakota considers vendors who make more than $100,000 in sales annually in the state or more than 200 transactions in the state in the previous or current calendar year to have economic nexus. This means the state considers these vendors obligated to collect sales tax from buyers in the state. You can read South Dakota’s economic nexus guidance for sellers here and you can read more about economic nexus in every state here.

When are South Dakota Sales Tax Returns Due?

When you file and pay South Dakota sales tax depends on two things: your assigned filing frequency and your state’s due dates.

How often will you file sales tax returns in South Dakota?

States assign you a filing frequency when you register for your sales tax permit. In most states, how often you file sales tax is based on the amount of sales tax you collect from buyers in the state.

In South Dakota, you will be required to file and remit sales tax either at the state’s discretion, and this can be monthly, bimonthly, quarterly, or semi-annually.

Important to Note: South Dakota sales tax returns are generally always due the 20th day of the month following the reporting period. If the filing due date falls on a weekend or holiday, sales tax is generally due the next business day. However the payment is generally due by the 30th day of the month following the due date. See South Dakota’s posted sales tax filing due dates for specific info on filing and paying your South Dakota sales tax returns.

2018 South Dakota Monthly Sales Tax Filing Due Dates

*indicates a due date pushed back due to a weekend or holiday

2018 South Dakota Quarterly Sales Tax Filing Due Dates

*indicates a due date pushed back due to a weekend or holiday

2018 South Dakota Semiannual Sales Tax Filing Due Dates

*indicates a due date pushed back due to a weekend or holiday

Click here for more info on South Dakota sales tax filing due dates.

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