South Dakota: no corporate income tax, a franchise (privilege) tax and an annual report due in your anniversary month.
Each fact below cites the agency page we read and the day we read it. Where a rule is still being confirmed, the page says so instead of showing a zero.
Verified facts
Corporate income tax
No
State business taxes administered are sales and use, excise/special taxes, bank franchise tax and similar; there is no corporate income tax return.
Franchise or privilege
Yes
No franchise or privilege tax applies to ordinary business corporations; the bank franchise tax is an income-based tax on financial institutions.
Entity annual report
Yes
annual · 1st day of the anniversary month of the date the business was initially filed with the Secretary of State; may be filed starting 2 months before the due date
Return due date
Published rule
No state corporate income tax return exists. For financial institutions subject to the bank franchise tax, each taxpayer must file its franchise tax return within 15 days after its income tax return is due.
Extension
Available
Zero activity / minimum tax
Every business entity required to file an annual report must file it each year regardless of activity; failure leads to Not Good Standing and possible administrative dissolution.
Long-form guide in professional review
Dates, extensions and payments
Filing and payment dates stay separate wherever the source supports it.
- Filing
Return filing
No state corporate income tax return exists. For financial institutions subject to the bank franchise tax, each taxpayer must file its franchise tax return within 15 days after its income tax return is due.
The bank franchise return follows the taxpayer's federal income tax return due date, plus 15 days
- Extension
Extension
Does not extend paymentMust be requested
- Entity report
Entity report
annual1st day of the anniversary month of the date the business was initially filed with the Secretary of State; may be filed starting 2 months before the due date
Limited partnerships and business trusts are not required to file annual reports
Email me the South Dakota guide
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Frequently asked questions
Does South Dakota impose a corporate income tax?
No. The official source we consulted does not impose a corporate income tax.
Does South Dakota charge a franchise or privilege tax?
Yes. Check the fact chip and the linked official source before budgeting for it.
When is the South Dakota corporate return due?
No state corporate income tax return exists. For financial institutions subject to the bank franchise tax, each taxpayer must file its franchise tax return within 15 days after its income tax return is due.
Does an extension also postpone the tax payment?
No. The extension moves the filing date, not the payment date; unpaid tax can accrue penalty and interest.
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