Step 1. Ensure that you logged into Purchase Plus, on the left side of the screen click on [Catalogues] and then [Buy Lists].
Step 2. Click on the [View] icon on the right side of the catalogue that you wish to view.
Step 3. Tick the [Custom Sorted] check box. Then refresh your browser page for the change to take effect.
Step 4. You will now see a yellow [Sort] button in the bottom left of the screen. Click it!
Step 5. You can now drag and drop the items in your Buy List into the desired order.
You have now Custom Sorted your Buy List!