we run into this issue too, but as far as I know, I have to update before my license expires in June, So how hard is it to add at least the PO number in the screen of billing? Since the receipt number can be different to the PO number it is hard to see what receipt you need to pick for the bill. It costs lots of time and thus money to be able to solve it. We run it in seven countries in 14 company files so you can do the math. When will it be solved?