This brings you to the mercy of the other party`s collaboration, so the process can be as difficult or as simple as they are willing to be. However, they always have the option to interrupt all communication when they become too difficult. Once you have reached an agreement with someone, the basic process for the credit transfer process mentioned above takes over. Whatever your reason, we`re going to see in this guide everything you need to know about entering a car rental. A car rental contract often lasts 2-4 years, which means that unforeseen circumstances can prevent you from paying. Or maybe you can make the vehicle you`re making, not what you need, and you want to change it. Fortunately, there are companies and websites that make the transmission of a self-lease much easier.