You may store and view the following:

GLNGlobal location number of the item's location
Item codeSupplier's item code
GTINGlobal trade item number
Buyer codeBuyer's item code
DescriptionDescription of the item
Unit priceThe price of one item, excluding tax
Tax percentageThe tax (e.g. GST) percentage applicable to the item
Expiry dateItem's expiration date