Name of the item. 60 characters max.
Description of the item. 1000 characters max.
Quantity of the item. Range of 0 to 9999.999.
Unit price of the item. Range of -999999.99 to 999999.99.
Tax associated with the item.
Date on which the item or service was provided. Date format: yyyy-MM-dd z. For example, 2014-02-27 PST.
Item discount in percent or amount.