Hello,   We have the following problem. We post a supplier invoice with a single invoice line, and prebook it. Next step is we want to update the single line and split into two lines. The split works fine. But sometimes we need to update the vat code on the first line. Whenever we try to update the vat code, we get an error saying vat code cannot be changed on a prebooked invoice.   In order for us to implement prebooking correctly we need to be able to modify vat codes between prebooking and releasing. Is there any way to accomplish this? Regards, Johan ... View more