As of 04/01/2019 H-Squared,Inc. will be collecting sales tax for all states (excluding NH, OR, MT, AK and DE) in which require the collection of sales taxes by online sellers. As of 04/01/2019 ALL tax-exempt resellers will need to have a tax-exempt form on file with H-Squared,Inc.AND place new orders through our sales team to be processed correctly. Please e-mail your tax-exempt forms or questions to taxforms@h-sq.com. Thank you for your understanding - H-Squared,Inc.