Documents SORTED by SEQ#….Sometimes this is helpful (in any food environment as an example) so that the order an item is added onto a document is the order that the items print out. Other clients like this so their voucher matches their invoices line for line.
Make sure that the SEQ# is set as an INTEGER in the Cross Table Properties. Otherwise, if there are more than ten items on a document the sort goes 1,10,11,12,….etc.