Merchants can add taxes to swipesimple in the settings 

Multiple Tax rates can be added to allow merchants who travel across state lines to easily switch their tax

Turning ON sales Tax

1. Log into SwipeSimple app
2. Tap on settings in the bottom right of the screen
3. Tap on Sales Tax
4. Turn Collect Sales Tax Toggle to ON

To Add a New Tax:

1. Tap NEW at the top right of the screen
2. Add a Tax name
3. Add a tax rate (Rate is in Percent)
4. Tap Create

To Edit a Tax:

1. Tap on the Tax in the list
2. Edit the information as needed
3. Tap Update