Here it's a a free of charge invoice for internal reason (order type ZKLI, invoice type ZF8I). Internal reasons means for example ; if we send pieces in our own showroom, or if we deliver pieces for photos (advertising), or in case of charity donation (is it the case here ?). Here it's really a free of charge invoice (3 kinds in system; F8, ZAF8, ZF8I) and not for example the proforma invoice F5 we can create from the order and send it to the customer when he needs to know the exact amount he will have to pay for the goods.