Wyoming Car Bill of Sale: Form MV-300A + Requirements
Wyoming recommends a bill of sale for private vehicle transfers. The state publishes Form MV-300A. Notarization is recommended but not strictly required.
Is a bill of sale required in Wyoming?
Recommended but not strictly required.
Notarization
Not strictly required, but recommended in some scenarios. Wyoming's title-signature requirements vary by county clerk.
State-specific form
Form MV-300A (Bill of Sale) is Wyoming's optional template. Available at dot.state.wy.us.
The bill of sale should include:
- Seller's full legal name, address
- Buyer's full legal name, address
- Vehicle year, make, model, body type, VIN
- Odometer reading
- Sale price
- Date of sale
- Both signatures
Sales tax implications
Wyoming state sales tax: 4% + local. Most counties total 5–6%. Among the lowest US vehicle sales tax rates.
The buyer pays at the county clerk at title transfer.
State-specific seller disclosures
- Odometer disclosure: federally required for vehicles under 20 years old
- No statewide emissions testing: WY doesn't require periodic emissions inspection
- Salvage title disclosure: required if branded
Where to file
The buyer files at the county clerk's office in their county of residence within 60 days of sale.
For a more complete national reference, see the national bill of sale guide.
Frequently asked questions
Do I need a bill of sale in Wyoming?
Recommended but not strictly required.
Does Wyoming require a notarized bill of sale?
Not strictly. Some counties recommend notarization for certain scenarios.
What's the sales tax on a private car sale in Wyoming?
State 4% + local. Total typically 5–6%. Among the lowest US vehicle sales tax rates.
What form do I use?
Form MV-300A (Wyoming Bill of Sale), available at dot.state.wy.us.
Where do I file the bill of sale in Wyoming?
At the county clerk's office in the buyer's county of residence. Within 60 days of sale.
Does Wyoming require emissions testing?
No.
What if I lost the title in Wyoming?
Apply for a duplicate at the county clerk's office.
Should I disclose flaws on the bill of sale?
The "as-is" disclosure covers most. Disclose salvage or rebuilt status and major defects.
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