Retail customers: Our store will automatically charge and withhold the applicable sales tax for orders to be delivered to addresses in New York, where Today’s Optical holds a presence. For orders shipped to other areas, you (the shopper) are solely responsible for any sales taxes and/or other taxes that may apply.  
Customers being directly billed by Today's Optical with a New York shipping address: NY Retailers purchasing for resale, will be tax-exempt with the completion of a resale certificate: