The amount of the item.
The unit, eg. Pieces or meter. Is either a free string or an object containing a display name and a code. (This is required for factur-x/x-rechnung conformance).
The name of the item.
The price of the item.
The tax on the item. Is either a percentage number (eg. 20 means 20%) or an object containing a percentage number and a code. (This is required for factur-x/x-rechnung conformance).
Contains information about a single item of an invoice.