Configure Avalara Entity Use Code
Use entity use codes to apply exemptions in AvaTax. States and countries are organized by business type and exemption reason. Exemption reasons differ based on the country and state.
You can view a full list of Entity Use Codes at https://help.avalara.com/000_Avalara_AvaTax/Exemption_Reason_Matrix_for_US_or_Canada
Home → Operations → Customer Profile → Edit a Customer Profile
Hover over Operations then click on Customer Profiles from the Main Menu.
Click on Manage from the Customer Profile menu.
Then simply Edit a Customer Profile that you would like to assign an Entity Use Code. From the Customer Profile simply scroll down to the bottom of the page to the area shown below.