Sales tax is applied to the total amount of the order based upon applicable laws and any exemptions. Charging sales tax, and the amount of the sales tax, depends upon many factors, including the identity of the purchaser, the type of item purchased, the destination of the shipment, applicable state tax on delivery charges, and/or whether your state has a tax exemption for the type of item sold. The following states have no sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. The following states may have applicable textbook tax exemptions: Connecticut, Massachusetts, Minnesota, Mississippi, Missouri (state), New Jersey, New York, North Dakota, Pennsylvania, Rhode Island (used), South Carolina, Tennessee and Virginia. Libraries, schools, not-for-profits, and other qualified groups and individuals may be tax-exempt once we have your tax-exempt certificate, please contact an account executive for further details.