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Home/Secretary of State directory/Articles of Amendment/Amend your South Dakota entity's formation documents
South Dakota . Articles of Amendment

Amend your South Dakota entity's formation documents.

South Dakota requires Articles of Amendment whenever you change foundational details on your formation documents. This guide explains what triggers an amendment, what doesn't, the SD Secretary of State fee, and how to file.

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When you need an amendment in South Dakota

Amendment required
  • Entity name change
  • Authorized shares change (Corps)
  • Business purpose change
  • Member or manager structure change (Member-Managed → Manager-Managed)
  • Duration changes
Amendment NOT required
  • Address change (use Statement of Change of RA or annual report)
  • Adding or removing members (Operating Agreement only)
  • Internal management changes
  • Officer turnover (Corps - reflect in next annual report)
Where this page sits

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Guide

Articles of Amendment by state

The national explainer above this page: what changes between jurisdictions, and why.

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Secretary of State directory

Every filing the state business office takes, state by state.

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South Dakota business filings

Every filing a business makes in South Dakota, gathered on one page.

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Secretary of State Name Reservation in South Dakota

Name reservation, state by state

Read the guide → In South Dakota

Series LLC in South Dakota

The series LLC, state by state

Read the guide → In South Dakota

Secretary of State filing fees in South Dakota

Filing fees, state by state

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Entity changes

South Dakota Articles of Amendment: at a glance.

Files a formal change to your articles of organization or incorporation, such as a name or structural change.

Filing details

How South Dakota handles Articles of Amendment.

South Dakota Business SearchLook up any South Dakota entity and read every status right.
Where to fileSecretary of State office, online portal, or by mail with the required fee.
TurnaroundStandard processing: 5-10 business days. Expedited service available for an additional state fee.
Required informationEntity name + ID, current officers and registered agent, principal office address.
Common pitfallsMismatched officer addresses, expired registered agent, missed prior reports causing administrative dissolution.
Frequently asked

South Dakota Articles of Amendment questions.

What are Articles of Amendment at the South Dakota Secretary of State?

They are the filing you submit to the South Dakota SOS to officially change something in your original formation document, the entity name, address, business purpose, share structure, or management. The change is not legal until South Dakota accepts the amendment. We prepare and file the correct South Dakota amendment for whatever you are changing on the record.

When do I need to file an amendment in South Dakota?

When you change information that appears on your public South Dakota record: a new company name, a change in authorized shares, a shift in management structure, or an updated business purpose. Internal changes usually go in the Operating Agreement instead. We determine whether your change actually requires a South Dakota amendment.

How do I change my company name with South Dakota?

You file Articles of Amendment with the South Dakota Secretary of State stating the new name, which must be available and meet South Dakota naming rules, and the change takes effect when accepted, after which you update the IRS, banks, and licenses. We check name availability and file the South Dakota amendment so the change goes through cleanly.

Is an amendment the same as an annual report?

No: an annual report is a routine periodic filing to keep information current; an amendment is a one-time change to your formation document. Filing the wrong one delays your change. We file the correct South Dakota document so your update actually takes effect rather than bouncing back.

What can I not change with an amendment?

Some changes need a different filing: converting entity type uses a conversion or merger, dissolving uses a dissolution, and internal-only terms go in the Operating Agreement, not a South Dakota amendment. We map your specific change to the right South Dakota filing so it is not rejected as the wrong document.

How much does a South Dakota amendment cost?

South Dakota sets an amendment filing fee that varies by state and entity, with expedited options costing more. Because it changes, we show the current South Dakota figure and pass it through at cost. Our service pricing is on the pricing page rather than quoted where a number could go stale.

Do I need to update other agencies after a South Dakota amendment?

Yes: after South Dakota accepts a name or structure change, you generally update the IRS, your bank, licenses, and any states where you are foreign-qualified, or records fall out of sync. We flag the downstream South Dakota and federal updates so the change is reflected everywhere, not just at the SOS.

Related

Related services

South Dakota Secretary of StateOverview, contact, full filing index. Annual reportDue dates, fees, and how to file. Registered agentRequirements and renewal. Compliance calendarEvery deadline that touches your entity.

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