Sales Tax and the Internet Merchant. One third of state revenues are derived from sales tax, making internet merchants a likely target for statue auditors. The Marketplace Fairness Act and related legislation will grant federal permission to the states to require the collection of sales tax by remote sellers – including internet merchants. This webinar will cover the responsibilities and liabilities of internet merchants when it comes to sales tax compliance and provide easy to implement strategies to assist you in reporting sales tax accurately while reducing your exposure in an audit.