Click on your company name in the top right and select Settings.
Select Tax from the Settings menu.
The Tax Rates page will open displaying your current tax settings. This is also where you can manage the tax rates that are applicable to your products.
To add a new Tax Rate, click Add+ in the top right.
The Add Tax Rate form will open.
Complete the Tax Rate Details fields as follows:
Name:
Enter a name for the tax (eg. "GST", "VAT", "State Tax").
Percentage
The numerical percentage of the tax. For example, if your tax rate is 10%, you would enter "10". The system uses this to calculate the tax amount based on the product price.
Countries
Select the specific countries where this tax applies, or leave blank to apply it to all countries.
States
Enter the states within the selected countries that this tax rate is applicable to.
Compounding Tax?
Select whether or not this tax is compounded on top of other taxes.
Default for New products
Select whether or not to automatically apply this tax rate to any new products you create in the system.
Click 
to add the tax rate.
The new rate will appear on the Tax Rates list.
