OptionalamazonAmazon Standard Identification Number (ASIN) of an item.
OptionaldiscountThe discount multiplier that should be applied to the price if a vendor sells books with a list price. This is a multiplier factor to arrive at a final discounted price. A multiplier of .90 would be the factor if a 10% discount is given.
This is used to indicate acknowledged quantity.
OptionalitemLine item sequence number for the item.
OptionallistOptionalnetOptionalvendorThe vendor selected product identification of the item. Should be the same as was sent in the purchase order.
Details of the item being acknowledged.