1. Go to Admin > Definitions/Setup > Community > Tax Rates.
2. Use the Name, Type, and Rate fields at the top of the columns to search for a tax rate. Click the filter icon to specify search criteria (for example, Is Equal To). Click the x next to a search field to clear the search entry.
3. Locate the tax rate to edit and click the Edit button.
4. Edit the tax rate information.
5. Click Save.