• Log in to the Onsight web console at https://sales.onsightapp.com.
• Click on ‘Settings’ from the left-hand side menu.
• Click on the ‘Manage your data’ menu item.
• Click on the ‘Taxes’ menu item.
• This screen allows you to specify the taxes and tax rates that apply to your country / region. Once these taxes are created you can apply them to specific products or customers as needed.
• To edit an existing tax, click on the tax and then click the edit button.
• To add a new tax, click on the ‘Add Tax’ button.
• To delete an existing tax, click the delete icon.

Related articles:
How do I show prices including or excluding taxes?