Include the ISBN/ISSN dropdown box in 'Other Service' PO lines
We regularly need to order additional copies of ebooks, for example, if credits run out. If we are getting these from the same supplier, we don't want to create a duplicate portfolio, so we want to add an order without creating inventory. Using the order type 'Other Service' would be ideal, however there is no option to include the ISBN in the order, which vendors depend on for identifying the order via EDI. It would be great if this function could be added to 'Other Service' orders.