Line items fields supported

INDEX	FORMAT NAME	DESCRIPTION
1	position_number	the position number of the item
2	buyer_element_number	the buyer’s unique identifier of the item
3	seller_element_number	the seller’s unique identifier of the item
4	date	date the item was ordered or will be delivered
5	description	description
6	quantity	quantity of the item ordered/to be delivered
7	unit	unit used to measure the quantity
8	unit_price	price of the item per unit indicated
9	unit_price_gross	price of the item per unit indicated including VAT
10	unit_price_net	price of the item per unit indicated excluding VAT
11	discount	discount
12	discount_absolute	the discounted amount
13	discount_rate	the rate of discount
14	VAT	VAT
15	VAT_absolute	absolute amount of tax
16	VAT_rate	tax rate to be applied on the item
17	VAT_code	tax code
18	total_amount	price of the item for the total quantity
19	total_amount_gross	price of the item for the total quantity including VAT
20	total_amount_net	price of the item for the total quantity excluding VAT
21	purchase_order_number	purchase order number of the item purchased