Industry Sales Tax Solutions is a leading provider of subscription-based sales & use tax decision-making tools for SOFTWARE RELATED TRANSACTIONS. At ISTS, we recognize the complexities associated with administering the sales & use tax function. Charging the wrong sales tax on your products and services is inefficient and costly. Credit memos are expensive and mistakes damage customer relationships. ISTS is revolutionizing the way sales and use tax decisions are made. With our user-friendly, web based tool, your company can internally make quick and accurate taxability decisions.