Proof of sales tax payment or sales tax exemption, or purchase price 
When you register a vehicle in New York at a DMV office , you must either pay the sales tax prove that sales tax was paid your vehicle registration is exempt from sales tax prove You probably also will need to pay county use tax when you register. See estimate registration fees and taxes [1] for information about county use taxes. You must get a sales tax receipt from the DMV even if the transaction is exempt from sales tax. Here are specific instructions If the name on the NY State Title Certificate will not change , sales tax forms and proofs are not required. See information below if you were not a NY State resident when you purchased the vehicle. If you bought the vehicle from a NY State automobile dealer or an out - of - state dealer that is authorized to collect NY State sales tax , bring the dealer's bill of sale that shows that you paid NY State sales tax. Also bring a Dealer s Bill of Sale MV-50 NY State dealer only or a completed Sales Tax Exemption {Sales Tax Form} pdf [2] at NY State Department of Tax and Finance DTF-803 for an out - of - state dealer. If NY State sales tax was paid to a NY State dealer , the DMV does not collect sales tax when you apply for a vehicle registration , and the DMV does not issue a sales tax receipt. If you bought your vehicle from another person in a private sale , both you the buyer and the seller must complete the Statement of Transaction {Sales Tax Form} pdf [3] at NY State Department of Tax and Finance DTF-802. Bring the form to a DMV office. The DMV calculates and collects the sales tax, and issues a sales tax receipt. If you leased the vehicle , see register a leased vehicle [4]. If the vehicle was a gift or was purchased from a family member , use the Statement of Transaction {Sales Tax Form} pdf [3] at NY State Department of Tax and Finance DTF-802 to receive a sales tax exemption. If you paid out - of - state sales tax , show the out - of - sta

user: I'd like to know about the taxes that I will have to pay at the DMV.

assistant: Is it for when you will register a vehicle in New York at a DMV office?

user: No.

user: What do I need to do when I've bought my car from some guy online?

assistant: In this situation, both you the buyer and the seller must complete the Statement of Transaction {Sales Tax Form} at NY State Department of Tax and Finance DTF-802. Then you will bring the form to a DMV office where they will calculate and collect the sales tax, and also issue a sales tax receipt.

user: What other documents do I need to bring if I bought a car from a NY car dealer?

assistant: In that case bring the dealer 's bill of sale that shows that you paid NY State sales tax.

user: Are there any other tax payments involved when I register this car?

assistant: Yes, you probably also will need to pay county use tax when you register your vehicle.

user: I've heard about exemptions or deferrals of sales tax, who's eligible for that?

assistant: If you are a member of the Armed Forces, the Sales Tax Exemption DTF-803 form provides information and the definitions to defer your sales tax. If this is relevant to your case, you must pay the sales tax when you leave the Armed Forces or you return to New York.