If you were not a resident of New York when the vehicle was purchased?
Use Tax Exemption form {Sales Tax Form} pdf in the New York State Department of Taxation and Finance DTF-803 to receive a non-resident exemption from New York State sales tax. Form DTF-803 defines the terms "non-resident" and "resident".
What if I buy my vehicle from someone else in a private sale?
Both you and the buyer and seller must complete the Transaction Statement {Sales Tax Form} pdf in the New York State Department of Taxation and Finance DTF -802. Take the form to a DMV office. The DMV calculates and collects sales tax, and issues a sales tax receipt.