Division of Law Enforcement. RECREATIONAL. General Bill of Sale – This form would usually be used to provide proof of sale and purchase between two private parties in the sale of personal items.Seek out previous service records. Learn about bills of sale in Massachusetts for cars, boats, firearms, and more. This fill-in-the-blank form can be used to change or extend inspection, signing, financing or other dates contained in a signed real estate contract. Simplify your vehicle sale with our Massachusetts Vehicle Bill of Sale Template. Easy to use, compliant, and ready for download. Use a Business Bill of Sale to set out the terms for the sale of a business and transfer the ownership and all assets to the buyer. Massachusetts Offer to Purchase Real Estate Form ✓ easily fill out and sign forms with PDFLiner ✓ download blank or editable online. Sell for more and save on fees while still getting the support of a fullservice realtor.