To properly register your vehicle, you will need to appear at your nearest South Dakota County Treasurer’s Office  with the following forms in hand:

• Bill of Sale: Optional, but helpful as supporting proof of the transaction.
• Motor Vehicle and Boat Title Application (Form 1001)
• Odometer Disclosure: Required when applicable.
• Proof of Ownership: Such as the vehicle title or other ownership document.
• Title Fee & Vehicle Excise Tax: 4% of the purchase price

Out-of-State Purchase

• Out-of-State Ownership Documents: Required if the vehicle was previously titled outside South Dakota.

Source: South Dakota Department of Revenue (All Vehicles – Title, Fees & Registration)

To use your boat on public waters within the state of South Dakota, you must first register your vessel with the South Dakota Department of Game, Fish, and Parks by paying a visit to your local county treasurer with the following documents:

• Bill of Sale or purchase agreement.
• Manufacturer’s Statement of Origin, if the boat is new.
• Motor Vehicle and Boat Title Application (Form 1001)
• Payment for title and registration fees.
• Valid driver’s license or ID, if required by the county treasurer.
• Title or ownership document, if the boat was previously titled or registered.

Out-of-State Purchase

• Out-of-state title or ownership document, if the boat came from another state.
• Original out-of-state registration, if the prior state does not title that type of boat.

The buyer must apply for title within 45 days of purchase.

Source: South Dakota Department of Revenue (Boats)

In South Dakota, there is no registration required for a new owner of a firearm.