Free Idaho Vehicle (DMV) Bill of Sale Form (ITD 3738) | PDF

Idaho Vehicle (DMV) Bill of Sale Form (ITD 3738)

An Idaho DMV bill of sale (ITD 3738) is a written record that captures the key details of a vehicle being sold from one individual to another. Information such as the vehicle description, sale price, and buyer/seller details is included, along with signatures from both parties to validate the agreement. Idaho allows about 30 days to complete registration after the sale.

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Last updated June 3rd, 2026

An Idaho DMV bill of sale (ITD 3738) is a written record that captures the key details of a vehicle being sold from one individual to another. Information such as the vehicle description, sale price, and buyer/seller details is included, along with signatures from both parties to validate the agreement. Idaho allows about 30 days to complete registration after the sale.

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Bill of Sale (Requirements)

  • Buyer’s information
    • Full legal name
    • Driver’s license number
    • Address
    • Daytime phone number
    • Signature
  • Seller’s information
    • Full legal name
    • Driver’s license number
    • Address
    • Daytime phone number
    • Signature
  • Vehicle information
    • Year/Make/Model
    • Vehicle identification number (VIN)
    • Title number
    • Odometer reading
    • Vehicle description
    • Brands, if applicable
  • Sale information
    • True selling price ($)
    • Sale date
  • Lien information
    • New lienholder name, or “None”
    • Address

Source: Idaho Transportation Department (Bill of Sale ITD 3738)

How to Register a Vehicle

To begin the registration process, you must appear in person before your local county assessor at an Idaho Transportation Department office with: You have up to 30 days to title and register your vehicle after the time of purchase in the state of Idaho. Once the 30 days expire, you can no longer legally operate your vehicle on public roadways.

  • Bill of Sale: Helpful if needed as part of the title paperwork.
  • Full Legal Name and Identification Number
  • Idaho Title Documents: The vehicle must be titled in Idaho before registration can be completed.
  • Odometer Disclosure: Required for vehicles newer than 2010 and weighing under 16,000 pounds.
  • Proof of Insurance: The vehicle must be insured with a company licensed to do business in Idaho with at least the minimum coverage.
  • Verifiable Physical Address and Mailing Address

Out-of-State Purchase

  • Idaho Title Required: A vehicle purchased out of state must still be titled in Idaho before it can be registered.

Source: Idaho Transportation Department (Vehicle Registrations)

How to Register a Boat

The registration application process can be completed through the Idaho DMV.

  • Bill of Sale, including the vessel description, sales price, buyer’s full legal name, seller’s original signature, and date.
  • Hull Identification Number inspection, if the vessel is being titled for the first time in Idaho.
  • Manufacturer’s Certificate of Origin or Manufacturer’s Statement of Origin, if the vessel is new.
  • Payment for registration fees, title fees, and sales tax, if applicable.
  • Title, properly released by the previous owner and lienholder, if the vessel was previously titled.

Out-of-State Purchase

  • Out-of-state title, properly released, if the vessel was previously titled.

Idaho’s official registration page says the email receipt can serve as temporary proof of boat registration for 60 days.

Source: Idaho Department of Parks and Recreation (Registration & Permits)

Sample

Download: PDF

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