S.D. Codified Laws § 10-25-1
Current with legislation signed by the governor on or before 3/6/2024
If a tax certificate is sold for taxes and not yet redeemed, the owner or holder of the tax certificate may conduct, or cause to be conducted, a proceeding to procure a tax deed on the real property, as provided by §§ 10-25-2 to 10-25-12, inclusive. A proceeding shall be initiated after three years from the date of the tax certificate sale or at any time thereafter within six years from the date of the tax certificate sale subject to the provisions of §§ 10-25-16 to 10-25-19, inclusive. The time period applies equally to the county or any other purchaser of the tax certificate. Any assignee of a tax certificate shall take the tax certificate subject to the time period of the first owner of the tax certificate.
SDCL 10-25-1