All products will be subject to US state sales tax, import duties, or other applicable taxes. While Ames Sciences, Inc. may not be responsible for collecting these taxes in your respective state, by accepting our shipments you agree to be ultimately responsible for these taxes as they relate to the products you purchase from Ames Sciences, Inc. A 6% sales tax is applied to all orders shipped within the state of Maryland. If you or your organization is tax exempt, please fax us a copy of your exemption on 410-820-8179. If you need help with ordering or configuring your system call: © 2008 Ames Sciences, Inc. All rights reserved.