Can I update an existing tax configuration using spreadsheet upload?

Yes, you can use spreadsheet upload to update an existing tax configuration for specific tax rate and tax recovery rate fields. Here's a list of worksheets and the fields that you can update using these worksheets:

Worksheet	Fields
Manage Rates	Tax Rate Set as Default Rate Default Recovery Rate Code Effective End Date Inner City Jurisdiction
Manage Tax Recovery Rates	Tax Rate Set as Default Rate