Why is my customer being charged tax when they're exempt in Netsuite?

Netsuite

• There are two ways to exempt a customer in Netsuite, confirm settings match for the method you use:
  • Using the Entity/Use Code field:
    • Confirm the entity use code is on the customer:
      • Lists > ​Relationships > Customers > Customer > Edit > Address > Entity/Use Code
    • ​To add a code go to AvaTax > Setup > Entity Use Codes > New  > fill in the  Entity/Use Code ID and Description > click Save > then add to the customer using method above
  • Using the Taxable checkbox:
    • Confirm the Taxable checkbox is unchecked:
      • Lists > ​Relationships > Customers > Customer > Edit > Financial > Tax Information
    • ​​Unchecked, a call will still be made to Avalara but the tax will come back as zero since the customer will be flagged as exempt.
    • Checked, tax will calculate normally.
• Re-select the customer on the transaction to ensure the updated customer information applies
  • ​Select any other customer, then select the correct customer and Save