Aspen Lighting charges sales tax for product shipped to the following states: OK, RI, VT, NC, SC, SD, NJ, NV, ME, MD, IL, KY, MI, MN, ND, PA, WA, WI and IN unless a valid Exemption Certificate is provided. Aspen Lighting: is not required to and does not collect sales or use taxes in any other state. For states imposing sales or use taxes, a purchase is subject to use tax unless it is specifically exempt from taxation. A purchase is not exempt merely because it is made over the Internet. Many states require purchasers to file a sales/use tax return reporting all of the taxable purchases that were not taxed and to pay tax on those purchases. Details on how to file these returns may be found at the websites of applicable taxing authorities. The states where this may be imposed include but are not limited to Colorado and Louisiana.