Assign customers to AvaTax to have QuickBooks Desktop use AvaTax to calculate sales tax for them. QuickBooks Desktop keeps using your company's previous tax calculation solution if you don't tell QuickBooks Desktop to use AvaTax.
AvaTax for QuickBooks Desktop stores the tax-calculation method in every customer's record as the tax item.
Assign one customer
- Go to Customers > Customer Center and select the customer.
- In the Customer card window, on the Sales Tax Settings tab, from Tax Item select AVATAX.
Assign multiple customers at once
- Go to File > AvaTax > Utilities > Tax Calculation > Customer tax Item Update Utility.
- Select the customers for whom you want to use AvaTax to calculate tax, and then click Assign.