Both non-profit and for-profit corporations must be registered with the secretary of state's office. Out-of-state corporations must be registered before doing business in this state.

Search Corporate Database	Commercial Registered Agents	Recently Appointed Registered Agents
Corporate Forms	Fee Schedule PAD Account	Request-Certificate of Good Standing
Domestic Business Corporations Informational Pamphlet	Nonprofit Corporations Informational Pamphlet	Foreign Business Corporations Informational Pamphlet
South Dakota Department of Revenue	South Dakota Small Business Development Center	Tax Information for Businesses Tax Information for Charities and other Non-Profits

South Dakota Laws

• Commercial Registered Agent - SDCL 59-11

• Corporations - SDCL 47

• Limited Liability Companies - SDCL 47-34A

• Limited Liability Partnership - SDCL 48-7A

• Limited Partnerships - SDCL 48-7

For questions related to federal taxes and the different business and non-profit distinctions associated with federal tax organizational filings, please check out the links to the IRS website widget above.  Also, note that the Secretary of State cannot answer questions about Internal Revenue Service requirements, filings or procedures.  IRS contact information is available through the websites linked above.