Discounts are limited to one per customer and may not be combined with any other offer. Discount amount applies to merchandise total only and cannot be applied toward Smart Apps, Mandatory Employee Handout Services, Clear Law Institute online training courses, clearance items, service renewals, setup or shipping charges, previous orders or invoice payments. Free and flat-rate shipping offers are valid only for ground shipping to a single location in the 48 contiguous states and do not apply to Holiday products or Poster Guard^® services.