For a purchase transaction, you can verify the vendor calculated VAT against the VAT calculated in AvaTax. AvaTax doesn't update the VAT details in the transaction.
Verify vendor-calculated VAT
If you have VAT enabled in your configuration, when you click the Verify Tax button on a transaction, AvaTax calculates the AvaTax calculated VAT amount for a transaction.
- In AvaTax for NetSuite go to Transactions > Payables > Enter Bills and type the required details for a bill.
- Click Verify tax. The VAT details for this transaction are calculated and displayed.