The Sales window should be displayed. (To find the Sales window)
-- OR --
The Purchases window should be displayed. (To find the Purchases window)
-- OR --
The Bank and Deposit Adjustments window should be displayed. (To find the Bank and Deposit Adjustments window - Bank Entry view)
Click the Recalculate button if you want the tax amount to be restored to an amount that's based on the tax codes assigned to the transaction.
Warning: Tax amounts change automatically when you change the amounts to be taxed