Information gathered from dor.sd.gov.
The following steps must be completed if you are selling a vehicle to a private party, whether in-state or out-of-state.
Step 1. Obtain a seller’s permit from your county treasurer’s office or [online][1] so that the buyer has a permit to drive on upon the sale of the vehicle. You must have a valid SD ID in order to print the permit from the customer portal. There is no fee for the permit, and the seller's permit is valid for 30 days.