I contacted several registration services in CA prior to licensing/registering mine. All told me the same: it had to be done by the owner of the vehicle. They were not equipped to do it. Depending on the specific motor vehicle office used, and the
employee(s) you speak to, the process can be seamless or rocky. You can do it yourself if you are patient and have your ducks in a row. Find out from them what they need, and bring it with you. Have your docs organized. The employees aren't trying to be jerks, it's a new process that they don't yet know much about, so they can become defensive. I found that being pro active and polite worked for me, unlike my normal confrontational style. Your mileage may vary, yada, yada.