State of South Dakota Official Website
Motor Vehicles:
Application for Title (Do not use for Boats!)
General Purpose Affidavit, Repossession Affidavit, and Interstate Affidavit
[South Dakota Department of Revenue] Motor Vehicle Affidavit Form 1012 (seamlessdocs.com)
Duplicate Title Application
https://dorresources.sd.gov/f/1002
Bill of Sale
https://dorresources.sd.gov/f/1025