Since you have already paid your sales tax at the leasing company, you will need to provide your lease agreement that shows you have already paid the NY sales tax. You will also need to complete the Claim for Sales Tax Exemption { Sales Tax Form } PDF [ 5 ] at NY State Department of Tax and Finance DTF-803.
Another concern related to New York State sales tax, what happens if I pay out-of-state sales tax?
show the out - of - state dealer bill of sale . The bill of sale must show the purchase price and the amount of out - of - state sales tax paid to the dealer . Use Sales Tax Paid in Another State Sales Tax Form  pdf  at NY State Department of Tax and Finance DTF-804 form to claim credit for the state and local sales taxes you paid in the other state .
If i bought the vehicle from a NY State automobile dealer or an out - of - state dealer that is authorized to collect NY State sales tax