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Bill of Sale: When You Need One

A bill of sale is a simple document that records the transfer of ownership of personal property from a seller to a buyer. It protects both parties by providing proof of the transaction and details about the item. This guide explains when you need one, what to include, and how to make it valid.

Last updated 2026-08-10 ยท State Law Forms Guides

What Is a Bill of Sale and Why It Matters

A bill of sale is a legal document that acts as a receipt for the purchase of an item. It lists the seller, the buyer, the item, the sale price, and the date. It also often includes a statement that the seller transfers ownership to the buyer.

This document matters because it provides evidence of the transaction. If a dispute arises later, the bill of sale can show who owned the item and when the sale occurred. It also helps the buyer register the item with the government, such as a car or boat, and helps the seller prove they are no longer responsible for it.

Without a bill of sale, you may face problems. For example, if you buy a used car without one, you might struggle to get a title transfer. If you sell a tractor without one, the buyer might later claim you never delivered it. A bill of sale is a straightforward way to avoid these issues.

  • Acts as proof of purchase and ownership transfer.
  • Helps with registration and title transfer for vehicles and boats.
  • Protects both buyer and seller in case of disputes.
  • Provides details about the item, including condition and price.
  • Serves as a record for tax purposes or insurance claims.

When You Absolutely Need a Bill of Sale

State rules vary, but certain transactions almost always require a bill of sale. The most common is the sale of a motor vehicle. Most states require a bill of sale for car sales, even between private parties. You will need it to transfer the title and register the car in your name.

Boats, trailers, and aircraft also typically require a bill of sale. You may need it to register the vessel with the state or the Coast Guard. Additionally, some states require a bill of sale for the sale of firearms, especially when sold between private individuals.

Other situations where a bill of sale is useful include selling expensive equipment like tractors, ATVs, or heavy machinery. Even for smaller items like electronics or furniture, a bill of sale is wise if the value is significant. It is always better to have one than to wish you did.

  • Motor vehicles: required in nearly all states for title transfer.
  • Boats and watercraft: often needed for registration.
  • Trailers: many states require a bill of sale for title.
  • Firearms: some states mandate it for private sales.
  • High-value items: any item over a few hundred dollars is worth documenting.

What to Include in a Bill of Sale

A valid bill of sale should include the full legal names and addresses of both the buyer and the seller. It must describe the item in detail. For vehicles, include the make, model, year, VIN, and odometer reading. For other items, give a serial number or unique description.

State the sale price and the date of the sale. If the sale is a gift or trade, write that clearly. Also, include a statement that the item is sold 'as is' or with a warranty, if any. Both parties must sign and date the document. Some states require notarization, so check your local rules.

You should also include any terms of the sale, such as payment schedule or delivery details. If the item has a lien or is subject to a loan, disclose that. This protects the buyer from hidden problems and the seller from future claims.

  • Buyer and seller names and addresses.
  • Detailed description of the item (VIN, serial number, condition).
  • Sale price and date.
  • Signatures of both parties (and notary if required).
  • Warranty or 'as is' statement.

How to Write a Bill of Sale (Step-by-Step)

Writing a bill of sale is straightforward. You can use a free template from a legal forms website, or you can create your own. Start by downloading a state-specific form if one exists. Many state DMV websites offer free bill of sale forms for vehicles.

Fill in the blanks with the correct information. Double-check the VIN or serial number. Make sure the sale price matches what you actually paid. If you are the seller, verify that you have the legal right to sell the item. If you are the buyer, confirm the item is as described.

After filling out the form, both parties should sign and date it. If your state requires notarization, take the signed document to a notary public. Then, give a copy to the buyer and keep one for your records. It is that simple, but do not skip the details.

  • Find a template or create your own.
  • Fill in all required fields accurately.
  • Review for errors or missing information.
  • Sign and date the document.
  • Make copies for both parties.

Common Mistakes to Avoid

One common mistake is not including enough detail about the item. A vague description like 'used car' is not enough. Always include the VIN and odometer reading for vehicles. For other items, include a serial number or a photo attached to the bill of sale.

Another mistake is forgetting to sign or date the document. An unsigned bill of sale is worthless. Also, some people forget to state the condition of the item. If you sell something 'as is', write that down. Otherwise, the buyer might assume it comes with a warranty.

Finally, many people skip notarization when it is required. Notarization adds a layer of authenticity and can prevent fraud. Check your state's rules. If you are unsure, a simple notary visit is inexpensive and worth the peace of mind.

  • Omitting the VIN or serial number.
  • Not specifying 'as is' or warranty terms.
  • Failing to sign and date.
  • Skipping notarization when required.
  • Using a generic form that doesn't meet state requirements.

What to Do After the Sale

After you have a signed bill of sale, the buyer and seller have a few more tasks. The buyer should register the item with the appropriate agency. For vehicles, this means visiting the DMV with the bill of sale, title, and proof of insurance. For boats, it might be the Department of Motor Vehicles or a wildlife agency.

The seller should notify the DMV or other agency that they have sold the vehicle. This releases them from liability if the buyer gets a ticket or is in an accident. Many states have an online form for this. Keep a copy of the bill of sale for your tax records.

For other items, like furniture or electronics, a bill of sale is still useful. It can help with insurance claims if the item is stolen or damaged. Keep it in a safe place. You never know when you might need it.

  • Buyer: register the item and transfer title.
  • Seller: notify the DMV of the sale to avoid liability.
  • Both: keep a copy for your records.
  • Use the bill of sale for insurance or tax purposes.

Sources & references

For further reading, see these general legal resources from the Cornell Legal Information Institute.

External links open in a new tab. These sources are provided for general information only and are not legal advice.

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Frequently asked questions

Do I need a bill of sale for every sale?

No, but it is a good idea for any item of value. State rules vary, but vehicles, boats, and firearms often require one. For other items, a bill of sale is optional but provides protection.

Can I write a bill of sale by hand?

Yes, a handwritten bill of sale is generally valid as long as it includes the necessary information and signatures. However, using a printed form or template is often clearer and more professional.

Is a bill of sale the same as a title?

No. A bill of sale is a receipt and proof of transfer, while a title is a legal document that proves ownership. For vehicles, you need both to complete a sale.

What if I lose my bill of sale?

You can ask the other party for a copy. If they don't have one, you may need to create a new one, but it must be signed by both parties again. To avoid this, always make copies and store them safely.

State-specific legal forms guides

Every state has different rules. See the detailed guides for your state.