Illinois Form St-556 - A sale to an exempt organization with an active illinois sales tax exemption “e”. Web a sale for resale (box b of form st‐556); Sales & use tax forms. Web click here to go to mytax illinois to file your return online.
Web a sale for resale (box b of form st‐556); Web click here to go to mytax illinois to file your return online. A sale to an exempt organization with an active illinois sales tax exemption “e”. Sales & use tax forms.