The Tax agency needs to be created first in QuickBooks, once this is done, the merchant will be able to create a new tax at chargezoom.

How to Add a tax rate and agency?

To add a tax rate and agency:

1. From the left menu, select Taxes.

2. Under the Related Tasks list on the right, select Add/edit tax rates and agencies.

3. Select New and choose either a single or a combined tax rate.

4. Enter a name for the tax, the agency you pay, and the percentage for the rate. Use a single rate if you pay just one rate to a single agency.

5. Select Save.

Reference: https://quickbooks.intuit.com/learn-support/en-us/sales-taxes/set-up-your-sales-tax/00/186391