Method: CREATE_SALES_ORDERS
Method: READ_ALL_PO
Method: READ_PO_BY_GUID
Method: READ_PO_BY_BUYER_ID
Method: CREATE_PO
Method: GET_NEXT_PO_ID
Method: DELETE_PO_BY_ID
Method: DELETE_PO
Method: DELETE_PO_BY_GUID
Method: CHANGE_PO
Method: READ_PO
Method: READ_PO_BY_ID
Method: II_SDEMO_PO_BY_ID_QR~PURCHASE_ORDER_BY_ID_QR
Method: II_SDEMO_PURCHASE_ORDER_CREATE~PO_CREATE_REQUEST_CONFIRM_IN