They also have a dropbox with envelopes and the proper forms. You also have to put a dollar bill or blank check in the envelope. It's right in the lobby and you don't have to make an appointment. You put all that with the plates in the envelope. It's a big envelope.
You can also return by mail as appointments are limited. https://dmv.ny.gov/registration/how-surrender-return-or-turn-your-plates-dmv
Call and make an appointment
Thanks! Your answer is awaiting moderation.