For this task i did below steps to achieve this task.Is it the right way to do this.
1. Created a customer group for non Tax : Tax Free Group.
2. Add a tax class from Sales -> Tax -> Customer Tax Classes : Tax Free
3. Add a new tax rate :Sales ->Tax -> Manage Tax Zones & Rates. Add a new tax rate, call it “Tax Free”, select your country, select “*” for state and zip, and give it a rate of 0. Save the new tax rate.
Finally assigned the tax class Tax Free to group Tax Free Group.
But in the check out or cart there aren't any tax showing for taxable customers too. Is my way correct to achieve my requirements?