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Bill of sale · South Dakota

South Dakota Bill of Sale

The seller hands over more than keys in South Dakota — state law makes them issue the buyer's free 45-day permit on the spot. The sworn bill of sale, the 4% excise, and the nomad-friendly DMV, explained.

The South Dakota answer

Sworn signatures, and a permit the seller must print.

The South Dakota closing has three moves: sign the bill of sale under penalty of perjury (no notary needed), generate the buyer’s free 45-day permit on mysdcars.sd.gov — the seller’s legal duty, not a favor — and send the buyer to the county treasurer with title, bill of sale, and 4% excise inside the same 45 days.
Official portal — form & seller permit
mysdcars.sd.gov — Form 1025 bill of sale & 45-day permit
South Dakota generates both documents through its portal — the live version beats any hosted copy.
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The record for your files
Build a photo bill of sale — free companion copy
The portal form goes to the treasurer; this one, with photos and AS-IS terms, goes in your drawer.
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Mount Rushmore questions

South Dakota specifics, answered.

What's unique about the South Dakota seller's permit duty?

South Dakota is the only state that makes the SELLER issue the buyer's temporary permit: a free 45-day permit generated through the mysdcars.sd.gov portal at the time of sale. Refusing or failing to issue it is a class 2 misdemeanor — not paperwork advice, actual law. Extensions run $1 a day if the buyer needs longer.

How does the South Dakota bill of sale handle verification?

By oath rather than notary: the bill of sale (Form 1025 — older references still call it MV-016) carries sworn signatures instead of a notary block, so no notarization is required anywhere in the process. The state's e-form portal generates it — we link out rather than hosting a stale copy, since the portal version updates.

What does the buyer owe at the county treasurer?

The 4% motor vehicle excise tax on the purchase price, plus title and registration fees, within 45 days (matching the permit). Late fees accrue on a granular schedule from there — the permit window and the title window are designed to expire together.

Why do full-time RVers register in South Dakota?

No state income tax, low insurance rates, easy mail-forwarding residency, and a DMV comfortable registering vehicles for owners with no fixed address — a combination that made South Dakota the paper home of America's RV-nomad community. The same friendly machinery handles an ordinary private car sale.

Not legal advice. Verified against South Dakota DOR sources in July 2026 — official links in our 50-state requirements table.