Select Number 2, just under the Search Bar, and search for your sale number that you want to print off a tax invoice Click the sale you are wanting, so

At the Home Screen you want to Select number Four, like the photo below, And Type in the stock number that you are wanting to change the price of and

First you need to select “Retail Menu”, just like the image below. then once you have done that select the “Refund and Layby Cancellation”, like the image below. Then you