- Sales Tax Permit & Business License Guide
- What Is a Seller’s Permit?
- How to Get a Seller’s Permit
- Seller’s Permit Requirements
Browse state-by-state guides for sales tax permits, seller’s permits, resale certificates, and tax ID numbers.
South Dakota
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How to Get a Tax ID Number in South Dakota for a New Business
- August 20, 2026
- Posted by: OTIN Editorial Team
- Category: Tax ID Number
No CommentsTo get a tax ID number for a new South Dakota business, first determine which identification or registration your business actually needs. Most owners asking for a “tax ID” mean a federal Employer Identification Number (EIN), but a business that sells taxable…
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How to Apply for an EIN in South Dakota: New Business Guide
- August 20, 2026
- Posted by: OTIN Editorial Team
- Category: EIN
To apply for an EIN for a new South Dakota business, first complete any required entity formation with South Dakota, then choose an IRS application method. The IRS issues EINs; South Dakota does not run the EIN application process. For an eligible…
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How to Start an LLC in South Dakota: Simple Formation Checklist
- August 20, 2026
- Posted by: OTIN Editorial Team
- Category: LLC
To start a South Dakota LLC, choose a compliant company name, select a registered agent, determine the LLC’s basic management and ownership details, and file domestic Articles of Organization with the South Dakota Secretary of State. You may file online or on…
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Business License Requirements in South Dakota: What New Sellers Need
- August 20, 2026
- Posted by: OTIN Editorial Team
- Category: Business License
New South Dakota sellers should begin by separating three issues that are often grouped together as “business licensing”: business-entity registration, sales tax licensing, and any local or activity-specific approvals. The most broadly relevant state requirement for sellers is the South Dakota sales…
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South Dakota Sales Tax Nexus Rules for Out-of-State Sellers
- May 11, 2026
- Posted by: OTIN Editorial Team
- Category: Sales Tax Registration
Key Takeaways South Dakota sales tax nexus for remote sellers generally starts when you exceed $100,000 in SD sales or 200 separate SD transactions in the current or prior calendar year. Register with the South Dakota Department of Revenue through the state’s Tax Application online system before you begin collecting. South Dakota is a destination-based
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South Dakota Resale Certificate Rules and Recordkeeping
- April 4, 2026
- Posted by: OTIN Editorial Team
- Category: Resale Certificate
South Dakota Resale Certificate Rules and Recordkeeping What a South Dakota Resale Certificate Is (and When to Use It) A South Dakota resale certificate is a buyer-provided document used to purchase items tax-free when the buyer will resell those items in the normal course of business. In South Dakota, the resale exemption generally applies when:
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South Dakota Sales Tax Registration for Online Sellers
- April 3, 2026
- Posted by: OTIN Editorial Team
- Category: Sales Tax Registration
South Dakota Sales Tax Registration for Online Sellers Who Must Register for South Dakota Sales Tax Online sellers generally must register for a South Dakota sales tax license when they make taxable sales delivered into South Dakota and meet South Dakota’s economic nexus standard, or when they have a physical presence in the state. Registration
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