Silvia Aguirre Silvia Aguirre is vice president, certificate management for Avalara.From the AuthorSourcing & ProcurementManaging Tax Exemptions for B2B Transactions as Sellers Stock Shelves for the HolidaysAvalara, Inc.When it comes to managing exemption certificates online during a busy season, B2B sellers should be mindful of the following potential pitfalls.Page 1 of 1