Transfer Title: Submit documentation to the Massachusetts Registry of Motor Vehicles. For Massachusetts residents and those insured in the Bay State, here's a comprehensive guide to buying out your car lease.You must fill out the Registration and Title Application with a stamp from your car insurance company. Find out how to apply for a title and register your vehicle that you purchased from a dealer. How to Create a Legal and Binding Vehicle Lease Agreement: A Complete Guide ( legal lease agreement, binding lease agreement, lease contract). In this article, we'll cover everything you need to know about the documents required, credit score considerations, and more. Designed to save you time and provide peace of mind, simply fill in the details, create your document, and set it up ready for signing. Create your document. Leased cars are still subject to excise tax. 1. Simply complete the online form below and make an appointment to return your vehicle to the dealership.