To remove the taxes from all the No charge orders, follow the below steps.
Step 1: Switch to back end.
Step 2: Menu >> Rate configuration.
Step 3: Click on Menu>> Add (+) New rate plan as “NO CHARGE”
Step 4: Select the rate plan >> Configure price
Step 5: Select INCLUSIVE & TAXES option In the First Field >> Select all items >> Click on f(x) in No charge >> Enable Tax group and remove the taxes >> Save.
Step 6: Go to outlet >> Click on $ sign >> Assign the rate plan for No charge order type.
Output on front end – This way no charge tax will appear on the order screen over front side.
In Optimus 2.O